A Sierra Club Naturalist's Guide to the Middle Atlantic Coast : Cape Hatteras to Cape Cod by Bill Perry |
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A Sierra Club Naturalist's Guide to Southern New England (Sierra Club Naturalist's Guides) by Neil Jorgensen |
The Deserts of the Southwest: A Sierra Club Naturalist's Guide (Sierra Club Naturalist's Guides) by Lane Larson |
by John Muir Laws
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