Alternative Energy cover Amphibian cover Bird cover Butterfly cover Climate Change: In Context cover Desert cover Endangered Species, ed. 2 cover Energy Alternatives cover Environmental Science: In Context cover Fish cover Going Green cover Grzimeks Student Animal Life Resource cover Horse cover Hurricane cover Insect cover Jungle cover Mammal cover Ocean cover Pond & River cover Reptile cover Seashore cover Shark cover UXL Encyclopedia of Biomes, ed. 2 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 Whale cover