Biographical note

As well as being a number one bestselling writer for adults, Matt Haig has won the Blue Peter Book Award, the Smarties Book Prize and been nominated three times for the Carnegie Medal for his stories for children and young adults. He has sold more than a million books in the UK and his work has been translated into over forty languages. Most recently, The Truth Pixie was a Sunday Times children's bestseller. And his novel A Boy Called Christmas is currently being made into a major film from the makers of Paddington.

Emily Gravett is an award-winning writer and illustrator. She won her first CILIP Kate Greenaway Medal with the picture book Wolves and received the award for a second time with Little Mouse's Big Book of Fears. Emily lives in Brighton with her family and their two dogs.