Big Cats cover Birds cover Bugs cover Butterfly cover Chick cover Climate Change: In Context cover DK Guide to Mammals cover DK Guide to Savage Earth cover DK Guide to Weather cover Desert cover Duck cover Encyclopedia of Animal Rights and Animal Welfare, ed. 2 cover Encyclopedia of Global Warming and Climate Change cover Energy Alternatives cover Environmental Science: In Context cover Environmental Science Experiments cover Fox cover Frog cover Grzimeks Animal Life Encyclopedia, ed. 2 cover Kitten cover Lamb, Rev cover Mammals cover Mouse cover Ocean cover Owl cover Penguin cover Pig cover Pollution A to Z cover Pony cover Puppy cover Rain Forest cover Reptiles cover Rivers and Lakes cover UXL Encyclopedia of Landforms and Other Geologic Features cover UXL Encyclopedia of Water Science cover UXL Encyclopedia of Weather and Natural Disasters cover Volcano cover Weather cover Weather Almanac, ed. 11 cover Whales & Dolphins cover