

A Changed Mind | Mindset That Matters
David Bayer
A Changed Mind takes listeners on a deep personal journey into the topics that matter most - from the neuroscience and spirituality of mindset and personal growth to groundbreaking strategies for health, wealth and relationships, to open and honest conversations about pressing global issues such as the environment, censorship, corporate capture, and democracy. Visionary leader and philosopher David Bayer reminds us each and every episode of the certainty of the goodness of the future and provides the teachings, tools and timeless wisdom inspiring you to create real lasting change in your life and in the world. If you’ve been desiring a sanctuary for your spirit, a place to go to tune out the distraction, negativity and doom and gloom so that you can tap into the deep power, vibrancy and potential you have inside – you won’t want to miss an episode of this life changing show.
Episodes
Mentioned books

Sep 18, 2023 • 32min
011 Rewire Your Brain for Superhuman Clarity
Discover the power of clarity in fueling creativity and achieving full potential. Explore the challenges of finding clarity and overcoming uncertainty in life. Learn how childhood experiences and external influences contribute to the struggle of decision making. Develop clarity by identifying desires and shifting from what is disliked to what is desired. Achieve superhuman-like clarity by removing resistance and creating space for clarity to arise.

Sep 11, 2023 • 36min
010 Why Bad Things Happen To Good People
📺 Watch & Subscribe on YouTubeCould you ever imagine yourself giving gratitude for your struggles? Be it daily inconveniences or personal tragedies, we often perceive them as setbacks. In this episode, David invites you on a thought-provoking journey to reframe your perception and approach your adversities with curiosity and gratitude. Let's discuss why bad things happen to good people and learn to extract wisdom from these experiences. This episode provides insights on how to make sense of the tough experiences in life, using the parable of the wise farmer as an illustration.Ever wondered how the world’s crises connect to your personal growth? David delves into the complexities of our deeply interconnected world. From the abuse of the pharmaceutical industry to the destruction of habitats, we'll explore how these collective adversities often lead to transformative growth. Indeed, every experience we encounter, even the bleak ones, play out for our ultimate joy, abundance, and prosperity. Let's analyze these realities and reconcile them with the idea of a loving universe. Let’s talk about trauma. It's painful, it's messy, and yet, it can be the seed for our greatest qualities and traits. Instead of viewing these experiences as setbacks, let's learn to trust the process and appreciate the role these traumas play in our collective transformation. This episode explores how our personal traumas, including emotional, physical, and sexual abuse, become stepping stones towards a higher frequency of love. Let's seize the power of our experiences and use them as catalysts for personal growth, connection, and love. Tune in and let us collectively unravel the wisdom embedded in life's trials.=======Available on Amazon: A Changed Mind: Go Beyond Self Awareness, Rewire Your Brain & Reengineer Your RealityDownload the Audiobook: https://www.amazon.com/dp/B0DCKF721M=======What We Explored This Episode0:00 - Understanding Why Bad Things Happen13:52 - Observations of Division and Transformative Growth24:13 - Understanding the Purpose of Bad Experiences32:47 - Spread Love, Grow Personally, and ConnectMemorable Quotes"Every adversity can be a stepping stone towards personal growth and a more profound connection with the world. Even those experiences we deem negative can lead to something better.""Brace yourself for a deep dive into the world around us, as we navigate collective consciousness and the webs of interconnectedness. We will address hard-hitting topics like the abuse in the pharmaceutical industry, the banking system crisis, the destruction of habitats and more.""Every experience, however painful, is part of a loving universe that is ultimately playing out for our greatest joy, abundance, and prosperity."Connect with DavidInterested in going deeper with us? Check out the following resources:👉 FREE MIND HACK BOOKJoin our newsletter and get David’s free Mind Hack ebook and training: https://mindhackprogram.com/acm👉 POWERFUL LIVING EXPERIENCECheck out our annual live event The Powerful Living Experience: https://powerfullivingexperience.com👉 NEED MORE SUPPORT?Interested in coaching programs and more support?https://davidbayer.com👉 DAVID’S NEW BOOKCheck out ‘A Changed Mind’ on Amazon:https://www.amazon.com/dp/1642939862Check us out on your favorite social platforms:LinkedIn - http://www.linkedin.com/in/davidrbayerTwitter - http://www.twitter.com/davidrbayerFacebook - https://www.facebook.com/coachdavidbayerInstagram - https://www.instagram.com/davidbayer33YouTube - / @davidbayer33🎙️🎙️🎙️Podcast Production Support by FullCastMentioned in this episode:Now Available: A Changed Mind Book

Sep 4, 2023 • 36min
009 I AM Enough (You're Not Broken & There's Nothing Wrong With You)
📺 Watch & Subscribe on YouTubeEver felt like there's something inherently wrong with you? Like you're broken or just not good enough? Friends, it's time for a reality-check - you are not! This episode of A Changed Mind takes you on a journey to debunk these misleading beliefs and helps you understand that you are precisely where you need to be.Our minds are incredible machines, but they can sometimes play tricks on us. Many of us fall into the trap of feeling we constantly need to fix ourselves or prove our worth. Let's shatter these false narratives together by embracing self-awareness and healing. We delve into the power of our feelings, discussing how acknowledging them can lead to a deeper level of self-awareness. We also challenge the notion of being 'broken' and discuss how to navigate through such thoughts, recognizing the developmental process we're all a part of.Remember, it's okay to not be perfect, and you don't need to impress anyone! This episode also explores the significance of self-acceptance and growth. Here's the good news - positive affirmations and self-love can help us remind ourselves that we are doing great and extraordinary things lie ahead for us. It's time to change your mindset and create a more fulfilling experience of life. Listen in, and let's change our minds together!=======Available on Amazon: A Changed Mind: Go Beyond Self Awareness, Rewire Your Brain & Reengineer Your RealityDownload the Audiobook: https://www.amazon.com/dp/B0DCKF721M=======What We Explored This Episode0:00 - Changing the Mindset4:16 - Embracing Self-Awareness and Healing8:58 - Challenging the Belief of Being Broken22:14 - Finding Healing and Self-Awareness28:34 - Embracing Self-Acceptance and Growth33:24 - Positive Affirmations and EncouragementMemorable Quotes"You are absolutely, 100%, exactly who you need to be and where you need to be right now. There is nothing wrong with you.""All that's happening is you're in this journey of your life, the hero's journey. You're having all kinds of experiences... but that is the process by which we get clear on the opposite, what we do want.""All your power is inside of you, and what we're talking about today is how to unlock one aspect of this energetic strength inside of you, and that is to talk about how we can reorient ourselves or transform this idea of there's something wrong with you or you're broken because there isn't anything wrong with you and there's nothing to fix."Connect with DavidInterested in going deeper with us? Check out the following resources:👉 FREE MIND HACK BOOKJoin our newsletter and get David’s free Mind Hack ebook and training: https://mindhackprogram.com/acm👉 POWERFUL LIVING EXPERIENCECheck out our annual live event The Powerful Living Experience: https://powerfullivingexperience.com👉 NEED MORE SUPPORT?Interested in coaching programs and more support?https://davidbayer.com👉 DAVID’S NEW BOOKCheck out ‘A Changed Mind’ on Amazon:https://www.amazon.com/dp/1642939862Check us out on your favorite social platforms:LinkedIn - http://www.linkedin.com/in/davidrbayerTwitter - http://www.twitter.com/davidrbayerFacebook - https://www.facebook.com/coachdavidbayerInstagram - https://www.instagram.com/davidbayer33YouTube - / @davidbayer33🎙️🎙️🎙️Podcast Production Support by FullCastMentioned in this episode:Now Available: A Changed Mind Book

Aug 21, 2023 • 44min
008 The Power of Decision: One Simple but Shockingly Powerful Tool to Transform All of Your Limiting Beliefs
Discover the power of decision in transforming limiting beliefs, and how it shapes our thoughts and actions. Explore personal transformation, healing modalities, and self-awareness in the pursuit of happiness. Uncover the mysteries of the decision matrix and learn how to identify and replace limiting beliefs with empowering decisions. Transform 50% of your life by gathering evidence to support your new beliefs.

Aug 14, 2023 • 20min
007 “The Law of Non-Doing”: How to Make Life Easier By Not Trying So Hard
📺 Watch & Subscribe on YouTubeAre you ready to ride the wave? This isn't about catching a literal wave on a surfboard, but a spiritual wave. Are you ready to catch the wave that's naturally yours and ride it to a place of greater service to yourself and others? In today's episode, David Bayer shares a profound realization he had during a recent meditation about this concept. He discusses the steps you can take to tune into your spirit, ground yourself, and connect with the Earth. It’s not about doing more but being more. He also delves into the power of stillness and the importance of taking time out to reset. In the end, you'll be better equipped to choose the right waves in your life, enhancing your business, relationships, and personal decisions. Join us as we journey together to live our best lives and serve ourselves and those around us better.=======Available on Amazon: A Changed Mind: Go Beyond Self Awareness, Rewire Your Brain & Reengineer Your RealityDownload the Audiobook: https://www.amazon.com/dp/B0DCKF721M=======What We Explored This Episode00:00 - Learning to Ride the Wave14:56 - Choosing the Right Wave's PowerMemorable Quotes"I've always had enough, I have enough and I will always have enough. That's the truth and you know that's the truth because it feels good.""You don't need to figure anything out. All you need to do is get an alignment with abundance and prosperity.""Life is always taking care of you and it will continue taking care of you, because that's the nature of this loving, highly intelligent, vibrational universe that we are part of."Episode ResourcesJoin the Changed Mind Challenge: https://davidbayer.com/challengeConnect with DavidInterested in going deeper with us? Check out the following resources:👉 FREE MIND HACK BOOKJoin our newsletter and get David’s free Mind Hack ebook and training: https://mindhackprogram.com/acm👉 POWERFUL LIVING EXPERIENCECheck out our annual live event The Powerful Living Experience: https://powerfullivingexperience.com👉 NEED MORE SUPPORT?Interested in coaching programs and more support?https://davidbayer.com👉 DAVID’S NEW BOOKCheck out ‘A Changed Mind’ on Amazon:https://www.amazon.com/dp/1642939862Check us out on your favorite social platforms:LinkedIn - http://www.linkedin.com/in/davidrbayerTwitter - http://www.twitter.com/davidrbayerFacebook - https://www.facebook.com/coachdavidbayerInstagram - https://www.instagram.com/davidbayer33YouTube - / @davidbayer33🎙️🎙️🎙️Podcast Production Support by FullCastMentioned in this episode:Now Available: A Changed Mind Book

16 snips
Aug 7, 2023 • 44min
006 How to Overcome Your Money Limiting Beliefs & Attract More Abundance
📺 Watch & Subscribe on YouTubeWhat if I told you that your thoughts and beliefs about money might be the very things standing between you and financial prosperity? Welcome to a riveting discussion, where your host, David Bayer, unravels his journey from bankruptcy to building a multi-million-dollar company and explains how our thoughts can manifest into tangible things. In this episode David shares his experiences about investing in a startup, and the returns it brought him, and how the energy of our thoughts can influence not just money, but also other aspects of our lives such as health, relationships, and clarity.Have you ever felt a blockage in the flow of abundance? It could be due to the resistance we unwittingly put in its path because of our beliefs about money. Our desire for more, our willingness to be creative and contribute to growth and evolution - all these can influence the money flow. Further, by recognizing the beliefs that shape our financial prosperity and nurturing a vision and burning desire, we can open the door for wealth to come to us.David also delves into the important topic of scarcity. He discusses how our fears and limiting beliefs about money affect our financial abundance, and how the power of believing in 'having enough' can help us overcome this scarcity mentality. David also shares how you can connect with our community more deeply, gain access to free resources, weekly motivation, and ultimately transform your life. So, don't just listen, engage with us, review, comment and become a part of our vibrant community!=======Available on Amazon: A Changed Mind: Go Beyond Self Awareness, Rewire Your Brain & Reengineer Your RealityDownload the Audiobook: https://www.amazon.com/dp/B0DCKF721M=======What We Explored This Episode00:01 - The concept of abundance and money07:14 - Investing in a Startup Opportunity11:06 - Money as Energy, Overcoming Blocks18:14 - Examining Beliefs About Money28:34 - Overcoming Scarcity Mentality for Financial Abundance39:53 - Engaging With the CommunityMemorable Quotes"The energy we invest in our thoughts, our desires, and our beliefs, and how that energy manifests into tangible things. From money to health, relationships, and even clarity of mind - it's all about the energy.""We're going to delve into the concept of money as energy and how expressing a desire for it allows it to flow towards us. But what happens when this energy gets blocked? What happens when our beliefs around money create resistance to its flow?""Ever thought of investing in a startup? I'll recount my own experience, which saw me reaping a handsome profit from a modest investment. But it's about more than just the money; it's about the energy."Episode ResourcesJoin the Changed Mind Challenge: https://davidbayer.com/challengeConnect With DavidInterested in going deeper with us? Check out the following resources:👉 FREE MIND HACK BOOKJoin our newsletter and get David’s free Mind Hack ebook and training: https://mindhackprogram.com/acm👉 POWERFUL LIVING EXPERIENCECheck out our annual live event The Powerful Living Experience: https://powerfullivingexperience.com👉 NEED MORE SUPPORT?Interested in coaching programs and more support?https://davidbayer.com👉 DAVID’S NEW BOOKCheck out ‘A Changed Mind’ on Amazon:https://www.amazon.com/dp/1642939862Check us out on your favorite social platforms:LinkedIn - http://www.linkedin.com/in/davidrbayerTwitter - http://www.twitter.com/davidrbayerFacebook - https://www.facebook.com/coachdavidbayerInstagram - https://www.instagram.com/davidbayer33YouTube - / @davidbayer33🎙️🎙️🎙️Podcast Production Support by FullCastMentioned in this episode:Now Available: A Changed Mind Book

Jul 31, 2023 • 33min
005 Overcome Anxiety: End It Once and For All
📺 Watch & Subscribe on YouTubeWhat if anxiety wasn't a roadblock, but a catalyst for healing and harnessing your personal power? Join us on this profound episode of the Changed Mind podcast, where we peel back the layers on anxiety's root cause and its transformative potential. As someone who wrestled with anxiety from an early age, David Bayer shares his personal odyssey, delivering insights that may echo your own experience. This isn't just surface-level chatter, we're unpicking the very fabric of how we perceive anxiety, and revealing the life-altering effects that a shift in understanding can bring about.Anxiety isn't just a buzzword, it's a process, and we're going to explore it as a conduit for healing. We'll delve into how our accumulated thoughts and emotions shape our everyday experiences, and how this dissonance can engender internal tension. But fear not, this tension is part of a natural healing process. Just like animals instinctively shaking off stress, our bodies are also striving to restore balance. As we navigate this terrain together, you'll discover how reconnecting with this inherent nature can kickstart transformation and healing in your life. This episode is not just about the theory, as we equip you with actionable tools and techniques to navigate anxiety and transform it into your personal power source. From deep breathing to EFT tapping, harnessing earth’s resonance, and connecting with others, there are tools available. This isn't a solitary journey, as we tap into a wealth of resources, from uplifting music to our catalogue of previous episodes. This is the beginning of a lifelong practice of resilience and transformation. Tune in and let's embrace this powerful journey together.=======Available on Amazon: A Changed Mind: Go Beyond Self Awareness, Rewire Your Brain & Reengineer Your RealityDownload the Audiobook: https://www.amazon.com/dp/B0DCKF721M=======What We Explored This Episode0:00 - Overcoming Anxiety6:57 - What Does It Mean To Be Anxious?12:05 - Understanding Anxiety as a Healing Process26:18 - Transforming Anxiety Into Personal Power]Memorable QuotesYour anxiety is a gift, just like my drug and alcohol addiction was a gift. Every challenge is meant for us to work through, to experience, to process and to let go. As you do this, that energy that moves through your system and through your body will become your personal power.""The key is to understand that what's happening is a healing, and we simply need to allow it. The most helpful thing to do when you are in anxiety is go connect with the resonant energy, and you can go out and do that by simply walking on the earth.""Anxiety is the body's natural healing process that is meant to offload the accumulated tension, and how we often misinterpret the experience by giving it a meaning of something being wrong. I share a metaphor of a Chinese finger trap to illustrate the tension and resistance, and how allowing the anxiety to flow can help restore homeostasis." Connect with DavidInterested in going deeper with us? Check out the following resources:👉 FREE MIND HACK BOOKJoin our newsletter and get David’s free Mind Hack ebook and training: https://mindhackprogram.com/acm👉 POWERFUL LIVING EXPERIENCECheck out our annual live event The Powerful Living Experience: https://powerfullivingexperience.com👉 NEED MORE SUPPORT?Interested in coaching programs and more support?https://davidbayer.com👉 DAVID’S NEW BOOKCheck out ‘A Changed Mind’ on Amazon:https://www.amazon.com/dp/1642939862Check us out on your favorite social platforms:LinkedIn - http://www.linkedin.com/in/davidrbayerTwitter - http://www.twitter.com/davidrbayerFacebook - https://www.facebook.com/coachdavidbayerInstagram - https://www.instagram.com/davidbayer33YouTube - / @davidbayer33🎙️🎙️🎙️Podcast Production Support by FullCastMentioned in this episode:Now Available: A Changed Mind Book

Jul 24, 2023 • 1h 31min
004 David & Carol's Story of A Changed Mind: How We Discovered Our Purpose, Passion & Spiritual Vision
📺 Watch & Subscribe on YouTubeImagine stepping into a sanctuary where you can tune out the distractions and negativity of the world and tap into your own potential. Welcome to a space that promises transformation through personal growth. In this episode David & Carol Bayer explore their personal journeys of creating a business centered around personal development, reminding you of the certainty of a promising future.This episode takes an inspiring turn as they share the compelling hero's journey of Carol Bayer. She takes us through her transition from Colombia to the United States, her start as a cashier at 7-Eleven while learning English, and the emotional roller-coaster that accompanied her journey. Carol's story is one of perseverance, resilience, and self-discovery, a testament to the power of never giving up. Through her own battles, Carol has developed a personality of self-protection and excellence that we can all learn from.As we journey through this episode, David & Carol touch on the pivotal moments that changed their lives, one of those being the Tony Robbins event. They discuss the profound effects it had on their understanding of themselves, their challenges, and ultimately, their life's work. They also delve into the less glamorous but important aspects of running a business - the challenge of letting go, the struggles of control, and the effort it takes to pivot strategies amidst challenges. Finally, they explore the power of creating space for something new, the importance of having a daily practice, and how it can drastically improve your life experience. This episode is a melting pot of personal growth, transformation, and the power of resilience.=======Available on Amazon: A Changed Mind: Go Beyond Self Awareness, Rewire Your Brain & Reengineer Your RealityDownload the Audiobook: https://www.amazon.com/dp/B0DCKF721M=======What We Explored This Episode04:13 - The Hero's Journey21:48 - Journey Through Business Challenges and Growth30:59 - Personal Growth Journey and Resistance36:46 - Life of Growth and Adventure44:25 - Launch Digital Program, Change Careers47:45 - Successful Program Through Collaboration and Inspiration57:31 - Overcoming Challenges and Embracing Change1:08:00 - Letting Go of Control1:23:13 - Embracing Change and Personal GrowthConnect With DavidInterested in going deeper with us? Check out the following resources:👉 FREE MIND HACK BOOKJoin our newsletter and get David’s free Mind Hack ebook and training: https://mindhackprogram.com/acm👉 POWERFUL LIVING EXPERIENCECheck out our annual live event The Powerful Living Experience: https://powerfullivingexperience.com👉 NEED MORE SUPPORT?Interested in coaching programs and more support?https://davidbayer.com👉 DAVID’S NEW BOOKCheck out ‘A Changed Mind’ on Amazon:https://www.amazon.com/dp/1642939862Check us out on your favorite social platforms:LinkedIn - http://www.linkedin.com/in/davidrbayerTwitter - http://www.twitter.com/davidrbayerFacebook - https://www.facebook.com/coachdavidbayerInstagram - https://www.instagram.com/davidbayer33YouTube - / @davidbayer33🎙️🎙️🎙️Podcast Production Support by FullCastMentioned in this episode:Now Available: A Changed Mind Book

19 snips
Jul 17, 2023 • 50min
003 How Thoughts Become Things & Create Our Reality (Finally Explained!)
📺 Watch & Subscribe on YouTubeChange your thoughts, change your world; sounds intriguing, doesn't it? Well, that's precisely what we're navigating in this episode, as David demystifies the concept of our thoughts shaping our realities. You'll get to understand how your inner power can be harnessed to create the life you've always dreamt of. David dives into the core mechanisms of how our thoughts evolve into tangible elements in our lives. David explores a plethora of aspects ranging from the function of our internal and external mechanisms to the formation of our unique realities. You'll learn how to conquer resistance, implement change, and understand the role of our beliefs and vibrational reality in our lives. David also shares a formula that has been instrumental for him; it's at the heart of creating what you want or discarding what you no longer wish to experience. Our reality is heavily influenced by our thoughts, beliefs, and actions. Therefore, understanding how to manipulate our desires and non-resistance to manifest our goals is crucial. Not to forget, decisions and consistent action are key to creating the life we desire. So, let's take this journey together and learn how to bring to life the vision we have for ourselves. =======Available on Amazon: A Changed Mind: Go Beyond Self Awareness, Rewire Your Brain & Reengineer Your RealityDownload the Audiobook: https://www.amazon.com/dp/B0DCKF721M=======What We Explored This Episode 01:36 - Harnessing the Power of Thoughts05:36 - Primary Drivers and Belief Reinforcement11:18 - The Power of Belief and Neuroplasticity15:24 - Illusion of Reality and Vibrational Energy18:54 - Beliefs Manifest in Real-Life Events)23:09 - Allowing Desires to Manifest Naturally30:51 - Identifying and Overcoming Limiting Beliefs40:27 - Early Life Experiences Shaping Personalities43:59 - The Power of Desire and Non-Resistance Connect with DavidInterested in going deeper with us? Check out the following resources:👉 FREE MIND HACK BOOKJoin our newsletter and get David’s free Mind Hack ebook and training: https://mindhackprogram.com/acm👉 POWERFUL LIVING EXPERIENCECheck out our annual live event The Powerful Living Experience: https://powerfullivingexperience.com👉 NEED MORE SUPPORT?Interested in coaching programs and more support?https://davidbayer.com👉 DAVID’S NEW BOOKCheck out ‘A Changed Mind’ on Amazon:https://www.amazon.com/dp/1642939862Check us out on your favorite social platforms:LinkedIn - http://www.linkedin.com/in/davidrbayerTwitter - http://www.twitter.com/davidrbayerFacebook - https://www.facebook.com/coachdavidbayerInstagram - https://www.instagram.com/davidbayer33YouTube - / @davidbayer33🎙️🎙️🎙️Podcast Production Support by FullCastMentioned in this episode:Now Available: A Changed Mind Book

7 snips
Jul 10, 2023 • 48min
002 Mindset 2.0: Going Beyond Self Awareness to Rewire Your Brain & Re-engineer Your Reality
📺 Watch & Subscribe on YouTube Ready to redefine your understanding of personal growth? In this episode David unwraps the intricate layers of self-development, delves into the evolution of our personal growth teachings, and dissects the powerful forces that shape our states of being. We promise that you'll walk away with a deeper understanding of how to transform past traumas into powerful energies, how to rewire your brain to move away from the hustle and grind, and how to deepen your connection to spirit.=======Available on Amazon: A Changed Mind: Go Beyond Self Awareness, Rewire Your Brain & Reengineer Your RealityDownload the Audiobook: https://www.amazon.com/dp/B0DCKF721M======= What We Explored This Episode 0:44 - Unpacking Personal Growth and Evolution8:08 - Prioritizing Personal Growth & Recovery11:49 - Transition From Self-Help Addiction to Embodiment16:29 - Evolution of Human Consciousness and Healing22:25 - Breaking Free From Groundhog Day Thinking28:39 - Engaging in a Living Practice31:41 - The Evolution of Collective Consciousness Connect with David Interested in going deeper with us? Check out the following resources:👉 FREE MIND HACK BOOKJoin our newsletter and get David’s free Mind Hack ebook and training: https://mindhackprogram.com/acm👉 POWERFUL LIVING EXPERIENCECheck out our annual live event The Powerful Living Experience: https://powerfullivingexperience.com👉 NEED MORE SUPPORT?Interested in coaching programs and more support?https://davidbayer.com👉 DAVID’S NEW BOOKCheck out ‘A Changed Mind’ on Amazon:https://www.amazon.com/dp/1642939862Check us out on your favorite social platforms:LinkedIn - http://www.linkedin.com/in/davidrbayerTwitter - http://www.twitter.com/davidrbayerFacebook - https://www.facebook.com/coachdavidbayerInstagram - https://www.instagram.com/davidbayer33YouTube - / @davidbayer33 🎙️🎙️🎙️Podcast Production Support by FullCastMentioned in this episode:Now Available: A Changed Mind Book


