The Double Best Method: Become a Decision-Making Genius and Say Goodbye Forever to Bad Choices and Regrets

Sophie Hannah is a Sunday Times and New York Times bestselling author of crime fiction, published in 49 languages and 51 territories. Her books have sold millions of copies worldwide. Hannah is Course Director and co-founder of the University of Cambridge's new Crime and Thriller Writing Master's degree program and in 2019 she created and launched Dream Author Coaching – an initiative designed to make writers happier, more confident and more successful. Hannah's psychological thriller The Carrier won the Specsavers National Book Award for Crime Thriller of the Year in 2013.

Genevieve Swallow is a performer-writer living in London. She has worked in the West End, London’s Fringe, toured the UK, performed at the English Theatre of Frankfurt and appeared in numerous open-air productions with leading roles in Shakespeare, Wilde, Ayckbourn and Coward. She has also performed comedy and several solo shows at the Edinburgh Fringe Festival, winning awards and nominations. Her voice has been heard on many audiobook narrations, audio dramas for Warhammer & Big Finish’s Doctor Who, audio guides for galleries & museums such as Tate Modern and on documentaries for Sky TV. Radio and TV include appearances in Red Dwarf, BBC Radio 4’s Woman’s Hour, Radio 5 Live and the World Service.