Greg Gormley used to stuff cushions for a living. Then he learnt how to purify gold. Finally, he decided to do something more sensible. So he studied fine art. Greg has written and illustrated several picture books and was featured in the Oprah Winfrey Kids' Reading List. He lives in Cambridge with Ana, Pepa and Sid the dog and spends his time arguing with academics about robots.

Stef Murphy is a freelance Illustrator and storyteller living in London. She was born in 1993 as part of a BOGOF deal with her twin brother to join her five other siblings. She has illustrated non-fiction and picture books for the likes of Quarto and Salaryia publishing, as well as the picture book The Fire Fox written by Alexandra Page.