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Women in the field : America's pioneering women naturalists
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Wandering through winter; a naturalist's record of a 20,000-mile journey through the North American winter
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The new field book of nature activities and hobbies
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Girls who looked under rocks : the lives of six pioneering naturalists
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A clearing in the wilderness
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This good Earth : the view from Audubon magazine
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Our amazing world of Nature; its marvels & mysteries
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Fierce country : the untold story of three women who ignited America's love for the wild
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What's in your pocket? : collecting nature's treasures
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Archaeological investigation of Fort Ligonier, 1960-1965
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The Ocean realm
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The birdman of Koshkonong : the life of naturalist Thure Kumlien
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Selected writings
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The father of American conservation : George Bird Grinnell, adventurer, activist, and author
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Nature writings
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The tree of life : a book depicting the life of Charles Darwin, naturalist, geologist & thinker
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A passion for nature : the life of John Muir
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John Muir : magnificent tramp
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100 most important science ideas : key concepts in genetics, physics and mathematics
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A devil's chaplain : reflections on hope, lies, science, and love
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Darwin : portrait of a genius
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A thousand-mile walk to the Gulf
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Rediscovering America : John Muir in his time and ours
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Aldo Leopold : a fierce green fire
