Frogs of the WorldA richly illustrated guide to the world's frogs that includes species from every family. With more than 7,600 known species, frogs exhibit an extraordinary range of forms and behaviours, from those that produce toxins so deadly that they could kill a human many times over to those that can survive being frozen in ice. Frogs of the World is an essential guide to this astonishingly diverse group of animals. An in depth introduction covers everything