STEPHENS Sarah Hines Super-Pets showdown / by Sarah Hines Stephens ; illustrated by Art Baltazar. - North Mankato, Minn. : Picture Window Books, 2012. - 48 p. : col. ill. ; 21 cm. ISBN: 9781404872165 (pbk.) : BND10.90 Subjects--Topical Terms: SUPERHEROES -- JUVENILE FICTION.ANIMALS -- JUVENILE FICTION.SCIENCE -- FICTIONHEROES -- JUVENILE FICTION