Mayer, Cassie. Shells / Cassie Mayer. - Chicago, Ill. : Heinemann Library, c2006. - 24 p. : col. ill. ; 18 x 21 cm. - Body coverings . - Mayer, Cassie. Body coverings. . Includes index. ISBN: 1403483752 (hc) 1403483817 (pb) LCCN: 2005035409 Subjects--Topical Terms: Shells--Juvenile literature. LC Class. No.: QL405.2 / .M39 2006 Dewey Class. No.: 573.7/7