James Catchpole was destined to be either an itinerant singer or an amputee footballer. He managed to get off the substitutes' bench a couple of times for the England Amputee Football Team, and also busked around Provence with a guitar (another profession where it actively helps to have one leg), but reached the limits of his talent in both fields by his mid-twenties, and so joined the family business of children's books. What Happened To You? is his debut book. He now also runs The Catchpole Agency with his wife Lucy, and represents authors and illustrators of children's picture books, non-fiction and novels, including Polly Dunbar, SF Said, Michelle Robinson and David Lucas. Lucy and James live in Oxford with their two young daughters, the eldest of whom is firmly convinced she will be joining the business too - but at five, she has plenty of time to recant. Follow him on Instagram @thecatchpoles and on Twitter @peachjamcloset.

Karen George has spent A LOT of time drawing and painting. When she was small that's what she liked doing best. When she was a little older, Karen gained a first class honours degree in Fine Art followed by an MA from The Royal College of Art. Karen painted film sets for a while until, in 2009, she won Waterstone's 'Picture This' competition to illustrate Freddie and the Fairy for Julia Donaldson. This means Karen still joyfully spends lots of time drawing and painting . . . and now she writes too! Karen lives in Bristol with her family and Dr Calamari the cat.