Nature

The Robin Makes a Laughing Sound (A Birder's Observations)

Field Guide to North American Truffles (Hunting, Identifying, and Enjoying the World's Most Prized Fungi)

Flattened Fauna, Revised (A Field Guide to Common Animals of Roads, Streets, and Highways)

The Improbable Shepherd (More Stories from Sylvia's Farm)

Sylvia's Farm (The Journal of an Improbable Shepherd)

The Green Revolution (An Illustrated Guide to Green Living)

The Water Book (A Users Guide to Understanding, Protecting, and Preserving Earth's Most Precious Resource)

You Can Save the Earth (7 Reasons Why & 7 Simple Ways. A Book to Benefit the Planet)

Your Survival (Protect Yourself from Tornadoes, Earthquakes, Flu Pandemics, and other Disasters)

Voyage of the Beagle

Earth Conference One (Sharing a Vision for Our Planet)

Dharma Rain (Sources of Buddhist Environmentalism)

Deep Ecology for the Twenty-First Century (Readings on the Philosophy and Practice of the New Environmentalism)

On Mount Hood (A Biography of Oregon's Perilous Peak)

Bretz's Flood (The Remarkable Story of a Rebel Geologist and the World's Greatest Flood)

The Measure of a Mountain (Beauty and Terror on Mount Rainier)

Rare Encounters with Ordinary Birds (A Bird Book for Adults)

The Wild Parrots of Telegraph Hill (A Love Story . . . with Wings)

The First Human (The Race to Discover Our Earliest Ancestors)

Butterfly People (An American Encounter with the Beauty of the World)

Sweetness and Light (The Mysterious History of the Honeybee)

The Last Hours of Ancient Sunlight: Revised and Updated Third Edition (The Fate of the World and What We Can Do Before It's Too Late)

The Audubon Reader (Edited and Introduced by Richard Rhodes)

The Great Cat (Poems About Cats) (Miniature Edition)

1491 (New Revelations of the Americas Before Columbus)

The Future of Ice (A Journey Into Cold)

Providence of a Sparrow (Lessons from a Life Gone to the Birds)

Sisters of the Earth (Women's Prose and Poetry About Nature)

A Year at the Races (Reflections on Horses, Humans, Love, Money, and Luck)

On the Wing (To the Edge of the Earth with the Peregrine Falcon)

Eating Stone (Imagination and the Loss of the Wild)

Traplines (Coming Home to Sawtooth Valley)

Merde (Excursions in Scientific, Cultural, and Socio-Historical Coprology)

The Man Who Planted Trees (A Story of Lost Groves, the Science of Trees, and a Plan to Save the Planet)

A Buffalo in the House (The Extraordinary Story of Charlie and His Family)

Breach of Faith (Hurricane Katrina and the Near Death of a Great American City)

The Last Flight of the Scarlet Macaw (One Woman's Fight to Save the World's Most Beautiful Bird)

The Prism and the Pendulum (The Ten Most Beautiful Experiments in Science)

The Philosopher's Dog (Friendships with Animals)

The Land of Little Rain

Evolution (The Remarkable History of a Scientific Theory)

The Yosemite

The Urban Tree Book (An Uncommon Field Guide for City and Town)

Early Spring (An Ecologist and Her Children Wake to a Warming World)

Uncertain Peril (Genetic Engineering and the Future of Seeds)

Soaring with Fidel (An Osprey Odyssey from Cape Cod to Cuba and Beyond)

Why Don't Woodpeckers Get Headaches? (And Other Bird Questions You Know You Want to Ask)

The Hopes of Snakes (And Other Tales from the Urban Landscape)

The Robin Makes a Laughing Sound (A Birder's Observations)

Field Guide to North American Truffles (Hunting, Identifying, and Enjoying the World's Most Prized Fungi)

Flattened Fauna, Revised (A Field Guide to Common Animals of Roads, Streets, and Highways)

The Improbable Shepherd (More Stories from Sylvia's Farm)

Sylvia's Farm (The Journal of an Improbable Shepherd)

The Green Revolution (An Illustrated Guide to Green Living)

The Water Book (A Users Guide to Understanding, Protecting, and Preserving Earth's Most Precious Resource)

You Can Save the Earth (7 Reasons Why & 7 Simple Ways. A Book to Benefit the Planet)

Your Survival (Protect Yourself from Tornadoes, Earthquakes, Flu Pandemics, and other Disasters)

Voyage of the Beagle

Earth Conference One (Sharing a Vision for Our Planet)

Dharma Rain (Sources of Buddhist Environmentalism)

Deep Ecology for the Twenty-First Century (Readings on the Philosophy and Practice of the New Environmentalism)

On Mount Hood (A Biography of Oregon's Perilous Peak)

Bretz's Flood (The Remarkable Story of a Rebel Geologist and the World's Greatest Flood)

The Measure of a Mountain (Beauty and Terror on Mount Rainier)

Rare Encounters with Ordinary Birds (A Bird Book for Adults)

The Wild Parrots of Telegraph Hill (A Love Story . . . with Wings)

The First Human (The Race to Discover Our Earliest Ancestors)

Butterfly People (An American Encounter with the Beauty of the World)

Sweetness and Light (The Mysterious History of the Honeybee)

The Last Hours of Ancient Sunlight: Revised and Updated Third Edition (The Fate of the World and What We Can Do Before It's Too Late)

The Audubon Reader (Edited and Introduced by Richard Rhodes)

The Great Cat (Poems About Cats) (Miniature Edition)

1491 (New Revelations of the Americas Before Columbus)

The Future of Ice (A Journey Into Cold)

Providence of a Sparrow (Lessons from a Life Gone to the Birds)

Sisters of the Earth (Women's Prose and Poetry About Nature)

A Year at the Races (Reflections on Horses, Humans, Love, Money, and Luck)

On the Wing (To the Edge of the Earth with the Peregrine Falcon)

Eating Stone (Imagination and the Loss of the Wild)

Traplines (Coming Home to Sawtooth Valley)

Merde (Excursions in Scientific, Cultural, and Socio-Historical Coprology)

The Man Who Planted Trees (A Story of Lost Groves, the Science of Trees, and a Plan to Save the Planet)

A Buffalo in the House (The Extraordinary Story of Charlie and His Family)

Breach of Faith (Hurricane Katrina and the Near Death of a Great American City)

The Last Flight of the Scarlet Macaw (One Woman's Fight to Save the World's Most Beautiful Bird)

The Prism and the Pendulum (The Ten Most Beautiful Experiments in Science)

The Philosopher's Dog (Friendships with Animals)

The Land of Little Rain

Evolution (The Remarkable History of a Scientific Theory)

The Yosemite

The Urban Tree Book (An Uncommon Field Guide for City and Town)

Early Spring (An Ecologist and Her Children Wake to a Warming World)

Uncertain Peril (Genetic Engineering and the Future of Seeds)

Soaring with Fidel (An Osprey Odyssey from Cape Cod to Cuba and Beyond)

Why Don't Woodpeckers Get Headaches? (And Other Bird Questions You Know You Want to Ask)

The Hopes of Snakes (And Other Tales from the Urban Landscape)