Dee Costello is a children’s book editor and writer who grew up in London, spent a happy chunk of her life in Boston, and is now living by the big, beautiful sea in Worthing, UK. At any opportunity she will try to smell pine trees, adopt a new plant pet, surf, laugh, create arty things with her two children, and read . . . out loud!

David Semple was born in the North East of England in the early 70's. After studying illustration he enjoyed a stint working in the TV & Film industry in London painting latex puppets & prosthetics! Since then a pencil has never been far from his hand, and he has designed and illustrated characters for a wide range of clients across the globe. He lives in York with his designer wife, Kate, their three children, and Olive the dog.