Essential amphibians

"This book presents 22 notable amphibian species from around the world. The species are presented alphabetically by their common names. These amphibians represent the . . . diversity of appearance and behavior in the class Amphibia. They range in size from the small golden poison frog to the enormous Chinese giant salamander. Some, such as the American bullfrog, are short and stocky. Others, such as the ringed caecilian, are long and thin. Each species plays an important role in its ecosystem"--Page 11.