Applegate, Katherine. The sickness K.A. Applegate. - New York : Scholastic, 1999. - 152 p. : ill. ; 20 cm. - Animorphs ; #29 . ISBN: 0590762621 (pbk.) Subjects--Topical Terms: Science fiction.Metamorphosis -- Juvenile fiction. Dewey Class. No.: Fic. A6487s 1999 Bk.#29