David Walliams' Billionaire Boy comes to Newbury Racecourse Car Park Party Interview with the best-selling author Trish Lee '); '); David Walliams talks to us ahead of the Covid-safe Car Park Party adaptation of his Billionaire Boy, at Newbury Racecourse on Monday, April 12 What is it like seeing your books come to life? It’s the most brilliant thing, seeing a book that you’ve written come to life either on television or on stage. You feel like a magician because what was in your head is somehow now all real, right in front of you, so it is a very very exciting thing.