Catherine Leblanc, Author: Catherine Leblanc lives in Angers, France, where she was born. A trained psychologist, she writes novels and poems for children and adults.

Roland Garrigue, Illustrator: Roland Garrigue was born in Paris, and from kindergarten to today, he has never ceased drawing. After three years of study in Strasbourg, he returned to Paris to concentrate fully on illustration for young readers. He has searched the most unexpected and mysterious places in order to create the frightening sketches of abominable creatures for this series.