
The Bestseller Experiment
Join author and screenwriter Mark Stay with coach and entrepreneur Mark Desvaux, as they discover the secrets to writing a bestseller and challenge themselves and you to write, market and self-published a bestselling book in just one year. Each week, they are guided by and interview million-selling, chart-topping authors, publishers on the inside, editors, agents, social media specialists, and many more big names who play a part in the bestseller process. From the writing to marketing, plotting to publishing, learn the secrets to help you write your way to the top of the charts.
Latest episodes

Jun 24, 2024 • 36min
EP510: Gareth L Powell – How to sing a space opera
Gareth L Powell is one of the most generous authors on social media and a font of writing wisdom. He’s also the award-winning author of the Ack-Ack Macaque trilogy, his short stories have appeared in Interzone, Clarkesworld, and The Year’s Best Science Fiction, and he has written for The Guardian, The Irish Times, 2000AD and SFX. With his new book Embers of War he has returned to his love of space opera. We discussed apes, outlining, and answered a few listener questions…

Jun 17, 2024 • 55min
EP509: Joanne Harris | Chocolat & Sheds
Best known for her novel Chocolat, which sold well over a million copies and was made into a movie starring Johnny Depp and Juliette Binoche, Joanne has written over twenty books, including Runemarks and Gospel of Loki, which were based on Norse legend. We spoke with her about writing, aspiration and sheds.

Jun 12, 2024 • 1h 19min
EP508: Mark Billingham – From a shoutline to five million books sold
Mark Billingham is renowned for his bestselling crime thrillers, not least the Jack Thorne series. Having now sold over 5 millions copies of his books, Mark takes us through his incredible career which takes in acting, stand-up comedy, writing for TV, and a little bit of kidnapping.

May 27, 2024 • 58min
EP507: Taylor Jenkins-Reid – Breaking The Rules = Bestseller
Taylor Jenkins-Reid’s latest novel Daisy Jones and the Six has been a global smash, but what makes it all the more extraordinary is that she has written fiction in a non-fiction format. Taylor describes the challenges in writing a novel that is up against real life, stranger-than-fiction rock and roll history.

May 20, 2024 • 39min
EP506: Mark Victor Hansen - “Your Life Story”
Mark Victor Hansen is an American inspirational and motivational speaker and author. He is best known as the founder and co-creator of the Chicken Soup for the Soul book series. Mark was turned down 144 times trying to get his book published. He kept going when others told him it was not a good idea.. Today with almost 500 million Chicken Soup for the Soul books sold, Mark holds the Guinness World Record for most published books. Mark’s latest venture is the Mark Victor Hansen Library which helps authors reach their book dreams with a unique approach to hybrid publishing.

May 13, 2024 • 1h 24min
EP505: Heather Morris — “Shut up and Listen!”
We celebrate seven years of the podcast with the amazing Heather Morris, author of The Tattooist of Auschwitz, which has sold over 6 million copies worldwide. She returns with a new novel, Sisters Under The Rising Sun, which transports the reader to the women in Japanese POW camps in WWII and is another incredibly powerful story. Heather talks about the role of listening in her work, creating fiction from reality, and what she learned from screenwriting.

May 6, 2024 • 42min
EP504: Mark Desvaux - “The Hallmark Habits of Highly Successful Authors (Part 2)”
In Part 2 of this series, Mark Desvaux takes you on a deep dive into five more hallmark habits of bestseller authors, distilled from seven and a half years of deep interviews and analysis. Drawn from over 500 conversations with top writers, this series offers possibly the most comprehensive exploration of what it takes to reach the bestseller lists. Join Mark as he unveils the critical practices and routines that have propelled these authors to the peak of literary success. Mark also invites you to join the all-new LIVE 5-Day 200 Word Challenge.

Apr 29, 2024 • 21min
EP503: Mark Desvaux - “How to Create a Writing Habit for Life”
We're celebrating nearly five years since the launch of the 200 Word Challenge—a project that has helped countless writers finish their books with over 40 million words banked so far. The project grew out of research that showed many aspiring authors struggle with finding time to write (83% according to our survey), as well as self-confidence issues, and challenges around perfectionism, procrastination and finishing. Mark announces the launch of the LIVE 5-Day 200 Word Challenge - a free event starting May 13th providing coaching on writing habits and how to successfully integrate daily writing into your life.

Apr 22, 2024 • 40min
EP502: Mark Desvaux - “The Hallmark Habits of Highly Successful Authors (Part 1)”
In Part 1 of this new series, Mark Desvaux takes you on a deep dive into the habits of bestseller authors, distilled from seven and a half years of deep interviews and analysis. Drawn from over 500 conversations with top writers, this series offers possibly the most comprehensive exploration of what it takes to reach the bestseller lists. Join Mark as he unveils the critical practices and routines that have propelled these authors to the peak of literary success. Mark also announces the all-new LIVE 5-Day 200 Word Challenge.

10 snips
Apr 15, 2024 • 29min
EP501: Brandon Sanderson
Bestselling fantasy author Brandon Sanderson shares tips on productive writing and answers listener questions. Topics include diversity in fantasy literature, challenges of prolific writing, achieving bestseller status, and encouraging support for writing goals.