Marent, Thomas. Frog / Thomas Marent, with Tom Jackson. - New York, N.Y. : DK, c2008. - 280 p. : col. ill. ; 31 cm. Includes index. ISBN: 9780756641320 Subjects--Topical Terms: Frogs.Frogs--Pictorial works. LC Class. No.: QL668.E2 / M37 2008 Dewey Class. No.: 597.8/9