Introduction to the Book. Origin, Evolution and Diversification of Extant Amphibians. Amphibian Ecophysiology. Eco-Immunology of Amphibians. Amphibian Crisis and the Impact of Emerging Pathogens. Thermoregulation and Hydric Balance in Amphibians. The Biogeography of Body Size in Amphibians. Evolution and Ecology of Locomotion in Amphibians. Diversity of Reproductive Strategies in the Amphibia. Chemical Communication and Deterrence in Amphibians. Acoustic Communication in Anurans. Amphibian Coloration: Proximate Mechanisms, Function, and Evolution.