Michel Grimaud is the pseudonym chosen by Marcelle Perriod and Jean–Louis Fraysse to sign the stories they write together. They live in the South of France. Since 1968 they have published numerous novels for teens such as: Une ombre sur le toit‚ Rageot‚ Cache–cache mortel‚ Gallimard (Prix « Jury Jeunes Lecteurs »); Le Tyran d’Axilane‚ Gallimard‚ (Grand Prix de l’imaginaire); L’enfant de la mer‚ Hatier