Night of the Werecat is the 12th book in the Ghosts of Fear Street series.
Synopsis[]
Wendy is excited when she spots the cat charm in Mrs. Bast's booth. It will be the perfect addition to her cat collection. But Mrs. Bast refuses to sell it to her. She warns Wendy that it isn't a cat charm-- it is a werecat charm. And it is dangerous. Wendy doesn't care. She has to have it. She grabs the charm, throws down some money, and runs. And that night-- at the stroke of midnight-- Wendy starts to change...