Marent, Thomas. Frog [Book] / Thomas Marent, with Tom Jackson. - New York, N.Y. : DK, 2008. - 280 p. : col. ill. ; 31 cm. Includes index. All. ISBN: 9780756641320 Subjects--Topical Terms: Frogs.Frogs--Pictorial works. Dewey Class. No.: 597.89