We answer one of the most common questions we get on our quest: What is a bestseller? We spoke to Sara Mulryan of Nielsen Bookscan, the people who gather the data for the UK charts and made some fascinating discoveries.

In this episode you will discover:

- How book sales data feeds into different charts - Why you should pay close attention to your book’s genre, and which ones are the most popular - What you can get out of events like the London Book Fair - The best time of year, week and time of day to publish your book

Get your free ebook with advice and tips from million-selling authors at: http://www.bestsellerexperiment.com