Sophie Aggett lives in London and likes to spend her time reading detective stories while eating pizza piled with as many toppings as possible. She loves her job writing and editing children's books, but thinks she would be good at solving mysteries, too. When Sophie retires, she plans to open a detective agency by the sea.

Gareth Lucas is an illustrator and designer living in his hometown in Essex, England, with his wife and four children. After studying at Brighton and Central Saint Martin's Art Schools, he has worked on a variety of projects, but enjoys children's book illustration the most. When he is not working, he can be heard indulging his other love--the banjo!