 National Audubon Society Field Guide to North American Birds--E: Eastern Region - Revised Edition Author: NATIONAL AUDUBON SOCIETY Manufacturer: Knopf ListPrice: $19.95 Offer: $13.57
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 National Audubon Society Field Guide to North American Insects and Spiders (National Audubon Society Field Guides) Author: NATIONAL AUDUBON SOCIETY Manufacturer: Knopf ListPrice: $19.95 Offer: $15.64
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 National Audubon Society Field Guide to North American Trees--E: Eastern Region (Eastern) Author: NATIONAL AUDUBON SOCIETY Manufacturer: Knopf ListPrice: $19.95 Offer: $19.55
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 The National Audubon Society Field Guide to North American Reptiles and Amphibians Author: NATIONAL AUDUBON SOCIETY Manufacturer: Knopf ListPrice: $19.95 Offer: $13.57
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 National Audubon Society Field Guide to North American Wildflowers--E: Eastern Region - Revised Edition (National Audubon Society Field Guide) Author: NATIONAL AUDUBON SOCIETY Manufacturer: Knopf ListPrice: $19.95 Offer: $13.57
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 National Audubon Society Field Guide to North American Mammals: (Revised and Expanded) (National Audubon Society Field Guides) Author: NATIONAL AUDUBON SOCIETY Manufacturer: Knopf ListPrice: $19.95 Offer: $13.57
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 National Audubon Society Field Guide to Florida Author: Peter Alden Manufacturer: Knopf ListPrice: $19.95 Offer: $13.57
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 Reading the Forested Landscape: A Natural History of New England Author: Tom Wessels Manufacturer: Countryman ListPrice: $18.95 Offer: $12.89
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 National Audubon Society Regional Guide to the Pacific Northwest (National Audubon Society Field Guide to the Pacific Northwest) Author: NATIONAL AUDUBON SOCIETY Manufacturer: Knopf ListPrice: $19.95 Offer: $13.57
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 National Audubon Society Regional Guide to the Southeastern States: Alabama, Arkansas, Georgia, Kentucky, Louisiana, Mississippi, North Carolina, South ... Field Guide to the Southeastern States) Author: NATIONAL AUDUBON SOCIETY Manufacturer: Knopf ListPrice: $19.95 Offer: $13.57
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 National Audubon Society Field Guide to California Author: Peter Alden Manufacturer: Knopf ListPrice: $19.95 Offer: $13.57
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 National Audubon Society Field Guide to North American Seashore Creatures (National Audubon Society Field Guides) Author: Norman A. Meinkoth Manufacturer: Knopf ListPrice: $20.95 Offer: $14.25
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 National Audubon Society Regional Guide to the Mid-Atlantic States (National Audubon Society Field Guide to the Mid-Atlantic States) Author: Chanticleer Press Inc. Manufacturer: Knopf ListPrice: $19.95 Offer: $13.57
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 New England Birds (Pocket Naturalist - Waterford Press) Author: James Kavanagh Manufacturer: Waterford Press ListPrice: $5.95 Offer: $5.95
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 National Audubon Society Field Guide to the Southwestern States: Arizona, New Mexico, Nevada, Utah (Audubon Field Guide) Author: NATIONAL AUDUBON SOCIETY Manufacturer: Knopf ListPrice: $19.95 Offer: $13.57
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 Birds of New England Author: Roger Burrows Manufacturer: Lone Pine Publishing ListPrice: $22.95 Offer: $17.21
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 National Audubon Society Regional Guide to the Rocky Mountain States (National Audubon Society Field Guide to the Rocky Mountain States) Author: NATIONAL AUDUBON SOCIETY Manufacturer: Knopf ListPrice: $19.95 Offer: $14.96
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 Smithsonian Handbooks: Birds of New England (Smithsonian Handbooks) Author: Fred J. Alsop Manufacturer: DK ADULT ListPrice: $23.00 Offer: $22.54
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 New England Wildlife: Habitat, Natural History, and Distribution Author: Richard M. DeGraaf Manufacturer: UPNE ListPrice: $35.00 Offer: $25.55
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 The Nature of Vermont: Introduction and Guide to a New England Environment (Green Mountain Power Books) Author: Charles W. Johnson Manufacturer: UPNE ListPrice: $22.95 Offer: $17.90
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 Ecology and Ecosystem Conservation (Foundations of Contemporary Environmental Studies Series) Author: Oswald J. Schmitz Manufacturer: Island Press ListPrice: $19.95 Offer: $19.95
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 New England Wildlife: An Introduction to Familiar Species (Pocket Naturalist - Waterford Press) Author: James Kavanagh Manufacturer: Waterford Press ListPrice: $5.95 Offer: $5.95
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 Environmental Discourse and Practice: A Reader Manufacturer: Wiley-Blackwell ListPrice: $55.95 Offer: $55.95
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 Ecology and Ecosystem Conservation (Foundations of Contemporary Environmental Studies Series) Author: Oswald J. Schmitz Manufacturer: Island Press ListPrice: $40.00 Offer: $40.00
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 On Wilderness: Voices from Maine Manufacturer: Tilbury House Publishers ListPrice: $15.00 Offer: $12.15
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