
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

Sep 18, 2023 • 51min
EP470: Suzie Edge — “Vital Organs, Poo & Wee!"
We are delighted to welcome back Suzie Edge for this special episode of the podcast! Suzie is a phenomenon on TikTok and after her smash hit debut book Mortal Monarchs she returns with Vital Organs, a wonderful dissection of history’s strangest body parts. Suzie takes us through her incredible career so far and reveals the role that vital organs, poo and wee and have played in getting her the ultimate accolade: an AI-generated biography on Amazon.

Sep 11, 2023 • 1h 9min
EP469: Harriet Muncaster — “I Wanted to Create My Own World."
Harriet Muncaster is an award-winning author and illustrator. Her Isadora Moon books have sold over two million copies worldwide. And in 2020, Muncaster also published Bad and Glittering, the first part of her middle-grade series Victoria Stitch. And now she’s here with the latest Victoria Stitch book Dark & Sparkling. Harriet reveals how she develops her incredible characters, shares how she divides her time between writing and illustration, and how she was driven to create her own worlds. And the two Marks discuss the importance of being childlike and end up being very childish and losing their marbles...

Sep 4, 2023 • 44min
EP468: Sarah Moorhead — “Grit in the Oyster"
Sarah Moorhead returns to the podcast with The Treatment, her extraordinary new novel that tackles issues of justice and revenge with compassion and heart. She reveals how she got back into writing after being dropped by her publisher and agent, and how being an idealist fuels her desire to keep telling great stories whatever it takes.

Aug 28, 2023 • 1h 2min
EP467: Linwood Barclay — “The Lie Maker"
In this very special episode, international bestselling author Linwood Barclay returns to the podcast to tease us with details of his new thriller The Lie Maker. He gives us tips aplenty for writers, reveals how a correspondence with Ross Macdonald changed his career, why he loves collaborating with editors, and if he’ll ever co-write with some up-and-coming author called Stephen King… Oh, and stay tuned to the very end for a little bonus...

Aug 21, 2023 • 1h 5min
EP466: Teresa Driscoll — “Be Genre Aware"
Teresa Driscoll is a former BBC TV news presenter whose psychological thrillers have sold over two million copies across the world. Her first thriller I Am Watching You hit Kindle Number 1 in the UK, USA and Australia and has sold more than a million copies in English alone. For decades, Teresa was a journalist working across newspapers, magazines and television.

Aug 14, 2023 • 1h 9min
EP465: Damian Dibben — “It Needs a Bit of Bite."
Damian Dibben is an acclaimed British author whose novels have been translated into twenty-seven languages and published in over forty countries. His series The History Keepers was an international publishing phenomenon. Dibben originally trained as an artist and scenic designer before becoming an actor and screenwriter. The Colour Storm is his second novel to explore seismic events of the past and is a feast for the senses.

Aug 7, 2023 • 1h 9min
EP464: AJ Pearce — “Passion, patience & persistence."
AJ Pearce’s debut novel Dear Mrs Bird was a Sunday Times Bestseller and she returns with the third in the Emmy Lake series, Mrs Porter Calling. AJ tells us how writing started as a hobby, how it all very nearly went wrong with a plotless romcom, and how the Emmy Lake books were inspired by a chance find on eBay.

Jul 31, 2023 • 1h 22min
EP463: Jeremy Szal — “I Want to Break the Reader."
Jeremy Szal is the author of the Common trilogy from Gollancz, which includes Stormblood, Blindspace, and Wolfskin and he’s the author of over fifty science-fiction short stories, translated into six languages. He has a new novella, SCREAM IN BLUE, set in the same world of The Common, and he’s also one of a number of authors who are speaking out about their mental health and how it can be affected by the rollercoaster of being published...

Jul 24, 2023 • 1h 17min
EP462: Antony Johnston — “Right Place, Right Time."
Antony Johnston is a New York Times bestselling author and the creator of Atomic Blonde, the comic book originally published as The Coldest City that was adapted into the movie starring Charlize Theron. For over twenty years he’s written books, graphic novels, video games, film, and more... And now he’s back with something a bit different: The Dog Sitter Detective is the first of a cosy crime series featuring Gwinny Tuffel, a retired actress who takes up dog-sitting to make ends meet, but discovers she also has a knack for solving murders.

Jul 17, 2023 • 54min
EP461: Freya Berry — “Be Ambitious."
Freya Berry’s writing career began as a journalist at Reuters. After a stint in New York reporting on the 2016 US election she left to write her acclaimed first novel, The Dictator’s Wife. With her new novel, The Birdcage Library, Freya has ended up creating a love story and a detective mystery, two things she never planned to write. Freya tells about the challenges of writing two timelines, the importance of a finding a state of half-focus, and digging deeper to make your writing truthful.