A young cat lover undergoes an incredible transformation in the twelfth book in the Ghosts of Fear Street middle grade series from master of horror R.L. Stine.

Wendy loves all things feline. So when she spots the cat charm necklace in Mrs. Bast’s booth at a local cat show, Wendy can’t wait to add it to her collection. But Mrs. Bast refuses to sell it to her, saying it’s not just any charm—it’s a werecat charm that holds dangerous powers.

Despite the warnings, Wendy has to have it. She throws down some money, grabs the charm, and runs. And at the stroke of midnight that night, Wendy starts to change…