Alternative Energy cover Amphibian cover Beachams Guide to the Endangered Species of North America cover Big Cats cover Bird cover Birds cover Bugs cover Butterfly cover Butterfly cover Chick cover Climate Change cover DK Guide to Mammals cover DK Guide to Savage Earth cover DK Guide to Weather cover Desert cover Desert cover Duck cover Endangered Species, ed. 2 cover Environmental Issues: Essential Primary Sources cover Fish cover Fox cover Frog cover Horse cover Hurricane cover Insect cover Jungle cover Kitten cover Lamb, Rev cover Mammal cover Mammals cover Mouse cover Ocean cover Ocean cover Owl cover Penguin cover Pig cover Pollution A to Z cover Pond & River cover Pony cover Puppy cover Rain Forest cover Reptile cover Reptiles cover Rivers and Lakes cover Seashore cover Shark cover Volcano cover Volcano cover Water cover Weather cover Weather cover Whale cover Whales & Dolphins cover