num_pages: 63
description: Photographed in full color . Take a close-up look at the first vertebrates to conquer land--from familiar bullfrogs and toads to unusual legless caecilians and eel-like sirens. Explore their anatomy, behavior, and pivotal place on the evolutionary time line.  
language: English
title: Amphibian
titlecomplete: Amphibian
genres: Science, Nonfiction, Childrens, Nature, Animals
ratings_count: 56
series: DK Eyewitness Books
publisher: Knopf Books for Young Readers