With nearly 6,000 species currently identified, frogs and toads are the most familiar and abundant amphibians on the planet. Illustrated throughout with 200 dazzling color photographs, this overview traces the evolution and classification of frogs and toads. Chris Mattison provides detailed information about each of the 49 unique families and highlights distinctive and notable species, introducing Brazilian toads smaller than your thumbnail and also the Goliath frog—a six pounder that can be more than a foot long.