Apple Jordan is the author of several books for children, including the Barbie Step 1 Books School Days and On Your Toes. She lives in Buffalo, New York. Meritxell Andreu is a graphic designer and illustrator. Educated at the Faculty of Fine Arts in Bercelona, she has worked with Egmont since the 1980s. She has also worked on Disney children's books and in the Princess titles, in addition to doing promotional art for Disney. Mario Cortés is an illustrator who has worked for years with Disney publications. Cortes is the recipient of the Angoulême Prize for best children's graphic novel for The Aristocats and a prize for the Best Graphic Novel Artist in Italy in 2002.