Stéphanie Babin is an author of books for young children, particularly nonfiction and interactive titles. She lives in Paris, France. Julie Mercier is the illustrator of numerous books for children. Her work can also be found in magazines and posters. She lives in Paris, France. Marion Billet graduated from the École Émile Cohl and works as an illustrator and graphic designer in Paris. She has illustrated numerous works for children. Hélène Convert was born in Nancy, France. She studied at the École Nationale Supérieure of Art and Design and has illustrated several titles for Éditions Milan. After studying cartooning in Angoulême and children's illustration in Hamburg, Emmanuel Ristord now lives in Nantes, France. His work can be found in many newspapers and children's books.