Author Dr. Frédéric Fanget is a psychiatrist, based in Lyon, France, and a leading expert in anxiety. He teaches psychotherapy at Lyon University as well having his own therapy practice. He is also the author of a number of psychotherapy bestsellers published in France.

Co-author Catherine Meyer has been an editor and writer in the field of psychology for nearly 30 years. She heads up the psychology department at the publishing house Les Arenes, and lives in Paris.

Illustrator Pauline Aubry began her career as a graphic designer, but became passionate about the art of storytelling through graphic novels, which propelled her into a career as an illustrator. She is now the author and artist of several graphic novels, published in France.