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indigoNational Audubon Society


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Introduced in 1977 and completely revised in 1994, these bestselling photographic field guides have become the birding bibles of more than four million enthusiasts. Virtually every bird found in North America is brought to life in a full-color photograph and with…

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EASTERN REGION This fully revised edition brings a new level of beauty, accuracy, and usefulness to the field guide that wildflower enthusiasts have relied upon for more than 20 years. More than 950 all-new, full-color images show the wildflowers of eastern North…

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Why are some frogs able to freeze solid and still survive? How can secretions from amphibians offer scientists clues for treating human ailments? What allows reptiles and amphibians to regenerate their limbs? Reptiles & Amphibians , an exciting new Explore…

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Perfect for mountain climbers and hikers, this valuable reference covers more rocks and minerals in North America than any other available guide. 794 full-color photographs depict all the important rocks, gems, and minerals -- in many variations of color and…

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Spiders, bugs, moths, butterflies, beetles, bees, flies, dragonflies, grasshoppers, and many other insects are detailed in more than 700 full-color photographs visually arranged by shape and color. Descriptive text includes measurements, diagnostic details, and…

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Tree peepers everywhere will enjoy these two guides which explore the incredible environment of our country's forests-including seasonal features, habitat, range, and lore. Nearly 700 species of trees are detailed in photographs of leaf shape, bark, flowers,…
Hardcover

$31.95 online

$33.95

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Hardcover

$40.74 online

$44.50

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This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will…
Paperback

$49.50

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Mammal-watching, like bird-watching, is a rewarding pastime that will add much to your enjoyment of any trip outdoors.  Mammals are common everywhere, and learning to find and identify them is fun and challenging, whether you are in a national park or in…
Paperback

$29.49 online

$31.50

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This guide decsribes and illustrates 80 of the most abundant and colorful insects and spiders in North America. An additional thirteen insects are mentioned as similar or related species. 80 color plates.