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6 The Handy Answer Book
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17 National Audubon Society Field Guides
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2 The Audubon Society Field Guide to North American
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2006 • 37 Readers • 225 pages • 4.1
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#39 of 20 in Peterson Field Guides
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2004 • 1 Reader • 80 pages
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1 Peterson Reference Guides
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1993 • 1 Reader • 446 pages
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#55 of 20 in Scientific American Library Series
1994 • 1 Reader • 255 pages
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1993 • 1 Reader • 540 pages
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2 Peterson field guide series
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#26 of 20 in Peterson Field Guides
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#2 of 2 in Bryson and Katz
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