i love all of r.l. stine's book, and this is no exception. wendy takes a charm, against the wishes of the seller. what the seller warns her about is coming true! she tries to take the charm off, but can't. at the last moment, she finds the seller and she removes it. but it's too late for wendy, the transformation is complete.
Wendy is excited when she spots the cat charm in Mrs. Basts'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's a wherecat charm & it's dangerous. Wendy doesn't care...grabs it, throws down some money & runs. And that nite-at the stroke of midnite-Wendy starts to change.