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 to her at GollanczFest about writing, aspiration and sheds.

As we begin our epic quest we need to know what kind of person buys bestselling books. We turn to Hachette Book Group consumer insight expert Vics Tranter, who shares her experience and wisdom with us and we discover just who will be reading our book… and it's a bit of a shock, to be frank.

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.