Caroline Adderson is an internationally published, award-winning author of books for readers of all ages. Her work for children has won the Diamond Willow Award, the Sheila Egoff Award, and the Chocolate Lily Book Award. She has been nominated for numerous awards, including the Manitoba Young Readers' Choice Award, the Hackmatack Children's Choice Book Award, and the Rocky Mountain Book Award. She lives in Vancouver, British Columbia.

Helen Flook was born in Wales, lived in Canada, and is now resident once again in Abergwyngregyn, Wales.

She has illustrated hundreds of children's books both in the UK and North America, and tends to work with acrylic inks or pen and ink.

Helen is A & C Black's resident illustrator for the Terry Deary's Tales books.