Katharine Holabird grew up in an artistic household in Chicago. As a child, she lived in an imaginary world of fairy tales, princesses, and ballerinas, and loved to perform and dance with her sisters. After receiving a BA in Literature and travelling to Italy to work as a free-lance journalist, Katharine moved with her husband to London. She wrote the first draft of the global success Angelina Ballerina at the kitchen table with her daughters twirling around her.

Sarah Warburton is an established artist whose illustrations in Dinosaurs in the Supermarket and The Princess and the Peas are proving to be a hit worldwide. She has an uncanny ability to capture huge amounts of charm, humour and detail in her work. Sarah lives in Bristol.