This work provides a guide to the herpetofauna of Trinidad and Tobago, covering 129 species and subspecies as well as the environment of the two islands and the natural history of the herpetofauna. The book contains 38 keys, 111 range maps, 90 line drawings and 195 colour photographs. More than 90% of the forms are illustrated in colour. Professional and amateur herpetologists, environmentalists, conservationists and ecotourists should find this volume of interest.