Simon, Seymour. Whales / Seymour Simon. - [New York?] : HarperCollins, [1992?], c1989. - [40] p. : col ill. ; 23x28cm. Originally published: 1989?. ISBN: 0064460959 (pbk) : No price LCCN: 87045285 Nat. Bib. No.: GB9669995 bnb Subjects--Topical Terms: Whales--Juvenile literature.