Horton Casey Seals / by Casey Horton ; illustrated by David Astin. - London : F. Watts, 1980. - 48 p. : ill. (chiefly col.), 1 col. map ; 22 cm. - A first look book . - First look books. . Includes index. ISBN: 0851667821 Subjects--Topical Terms: Seals Animals--Juvenile literature LC Class. No.: QL737.P64 Dewey Class. No.: 599.74/5