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Endangered Species, 2nd Edition, presents information on endangered and threatened mammals, birds, reptiles, amphibians, fish, mollusks, insects, arachnids, crustaceans, and plants. Its 240 entries -- including 40 new species added to the 2nd Edition -- were chosen to give a glimpse of the broad range of species currently facing endangerment. While well-publicized examples such as the American bison, northern spotted owl, and gray wolf are examined, so, too, are less conspicuous -- yet no less threatened -- species such as the Australian ant, Cape vulture, and Peebles Navajo cactus. The entries are spread across three volumes and are divided into sections by classes. Within each class, species are arranged alphabetically by common name.

Alligators, crocodiles, turtles, snakes, lizards, salamanders, toads, and frogs - all are cold-blooded animals in the reptile or amphibian family. Packed with engaging articles arranged in alphabetical order, the new six-volume "Exploring the World of Reptiles and Amphibians" set looks at the natural history of reptiles and amphibians through naturalistic artwork, maps, and stunning photography. This colorful set is intended to illustrate key life-science principles while providing thorough information on reptiles and amphibians to young readers.