Applegate, Katherine. The weakness K.A. Applegate. - New York : Scholastic, c2000. - 129 p. ; 20 cm. - Animorphs ; #37 . ISBN: 0439106761 (pbk.) : Subjects--Topical Terms: Science fiction.Metamorphosis -- Juvenile fiction. Dewey Class. No.: Fic. A6487w 2000 Bk.#37