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indigoScience and Nature

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Paperback

|August 1, 1987

$12.14 online

$12.95

save 6%

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This compact, well-written history covers major mathematical ideas and techniques from the ancient Near East to 20th-century computer theory, surveying the works of Archimedes, Pascal, Gauss, Hilbert, and many others. "The author's ability as a…
Paperback

|February 2, 1997

$10.99

In stock online

Available in stores

Animal Tracks of the Rockies will help you identify tracks of all shapes and sizes, from the Grizzly Bear to the Deer Mouse. This book is perfect for children, teachers, parents, backwoods explorers and naturalists: * Excellent illustrations of the animals *…
Paperback

$14.56 online

$15.95

save 8%

Ships within 1-3 weeks

Available in stores

These attractive guides identify the birds most likely to be seen in your city's backyards, streets and parks. The books introduce the fascinating and popular pastime of birdwatching and include advice on building feeders and birdhouses. Color illustrations help…

Out of stock online

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Paperback

|October 16, 1995

$14.95

Out of stock online

Not available in stores

This large-print book's spirited descriptions of 90 species are complemented by full-color illustrations and information on setting up birdfeeders and on how the seasons affect which birds you'll see on the plains and prairies.

Out of stock online

Not available in stores

This book is an introduction to the fascinating and increasingly popular pastime of bird-watching. Informative and colorfully illustrated, this attractive guide identifies those birds most likely to be seen in the city's back yards, streets and parks. Includes…