Clapham Phil Humpback whales / Phil Clapham. - Grantown-on-Spey : Colin Baxter Photography, 1996. - 72 p : col. ill. ; 23 x 26 cm. - World life library . ISBN: 0948661879 Subjects--Topical Terms: Humpback whaleHumpback whale--Behavior LC Class. No.: QL737.C424 Dewey Class. No.: 599.51