The Naturalist: Theodore Roosevelt, a Lifetime of Exploration, and the Triumph of American Natural History, Paperback
Darrin P. Lunde
My First Summer in the Sierra, Paperback/John Muir
John Muir
A Passion for Nature: The Life of John Muir, Paperback
Donald Worster
A Passion for Nature: The Life of John Muir, Hardcover/Donald Worster
Drifting Into Darien: A Personal and Natural History of the Altamaha River, Paperback/Janisse Ray
Janisse Ray
The Wilderness Warrior: Theodore Roosevelt and the Crusade for America, Paperback
Douglas Brinkley