Stephen and I discuss: Pitching Sven decks at Thorpe Park, how he met and started working with Derren Brown, their writing process, the history of Hector Chadwick book, Equivoque, what’s the most useful piece of advice in the book, what from mentalism he’d put into Room 101, the three things he’s most proud of and more. 
https://www.vanishingincmagic.com/mentalism/the-definitive-mental-mysteries-of-hector-chadwick/