Timothy Knapman is a children’s writer, lyricist, and playwright. His books have been translated into many different languages and include Time Now to Dream, illustrated by Helen Oxenbury; Dinosaurs Don't Have Bedtimes!, illustrated by Nikki Dyson; Can’t Catch Me!, illustrated by Simona Ciraolo; and What’s Next?, illustrated by Jane McGuinness. Timothy Knapman lives in England.

Jean Jullien is the illustrator of I Want to Be in a Scary Story; How to Be Cooler than Cool, and Hoot Owl, Master of Disguise, all by Sean Taylor. As a graphic designer, he works in a wide range of media, including illustration, photography, video, installation, and clothing, and his clients have included the New Yorker, New York magazine, the Guardian, and the Pompidou Center. Originally from France, he lives in London and exhibits worldwide.