Caryl Hart is a children's writer who also runs creative workshops with local schools. She lives in Derbyshire, England, with her guitar-playing husband, two cheeky daughters, one extremely fluffy black cat, a goldfish, four hens, and a dog named Roo. As well as writing, Caryl Hart loves walking in the hills, swimming, snuggling, baking, weeding, running, sleeping, chatting, and sitting in cafés.

Sarah Warburton grew up in North Wales. She studied illustration at the University of the West of England and hasn't looked back since. She has created many books and illustrated the Rumblewick series, which has sold worldwide and is under movie option. Sarah Warburton lives in England with her husband, two children, and a grumpy guinea pig.