Born in
Pont-Audemer, Cestac initially worked as an
illustrator. In 1972, she took over the bookstore "Futuropolis" with her husband , and transformed it into the comics publisher . She created the humorous detective stories of for the
comics magazines ''
L'Écho des savanes, Charlie Mensuel, Pilote'' and '
. After Futuropolis was bought by Gallimard in 1994, she created the series ' for
Le Journal de Mickey, working with . Her series
Cestac pour les grands, aimed at an adult audience, brought her popular success and recognition. One album, ''
(1996), was adapted for the stage and as the 2005 film The Demon Stirs''. ==Awards==