 | Cadillac Desert: The American West and Its Disappearing Water, Revised Edition by Marc Reisner
Buy new: $12.24 / Used from: $4.95 |
 | Natural Resource Conservation: Management for a Sustainable Future by Oliver S. Owen
Buy used from: $1.22 |
 | Wild Hoofbeats: America's Vanishing Wild Horses by Carol Walker
Buy new: $19.77 / Used from: $17.78 |
 | The Daily Coyote: A Story of Love, Survival, and Trust in the Wilds of Wyoming by Shreve Stockton
Buy new: $15.64 / Used from: $0.19 |
 | Planet Earth: As You've Never Seen It Before by Alastair Fothergill
Buy new: $26.37 / Used from: $12.99 |
 | Planet Earth - The Complete BBC Series
Buy new: $55.99 / Used from: $19.92 |
![March of the Penguins [Blu-ray]](http://ecx.images-amazon.com/images/I/51tTYi0KjyL._SL75_.jpg) | March of the Penguins [Blu-ray]
Buy new: $14.99 / Used from: $5.50 |
 | Time Planet Earth: An Illustrated History by Editors of Time Magazine
Buy new: $22.76 / Used from: $3.52 |
 | Blue Planet: Seas of Life (Special Edition)
Buy used from: $24.89 |
 | Life in the Undergrowth
Buy new: $30.99 / Used from: $24.99 |
 | Life in Cold Blood
Buy new: $28.49 / Used from: $27.57 |
 | The Life of Birds
Buy new: $45.49 / Used from: $34.98 |
 | Hot, Flat, and Crowded: Why We Need a Green Revolution--and How It Can Renew America by Thomas L. Friedman
Buy new: $18.45 / Used from: $1.99 |
 | Earth - The Biography
Buy new: $27.49 / Used from: $18.44 |
 | Horse, a Portrait: A Photographer's Life With Horses
Buy new: $23.10 / Used from: $33.47 |
 | Spirit Horses
Buy new: $28.80 / Used from: $6.02 |
 | Horses by Yann Arthus-Bertrand
Buy new: $17.13 / Used from: $9.83 |
 | Wild Horses: Endangered Beauty by Traer Scott
Buy new: $18.96 / Used from: $9.95 |
 | Power of Now 2009 Wall Calendar by Eckhart Tolle
Buy used from: $27.14 |
 | Old Dogs: Are the Best Dogs by Gene Weingarten
Buy new: $14.36 / Used from: $9.01 |
 | Ocean: The World's Last Wilderness Revealed by Robert Dinwiddie
Buy used from: $14.57 |
 | Snowflakes in Photographs by W. A. Bentley
Buy new: $7.88 / Used from: $7.02 |
 | Animal: The Definitive Visual Guide to the World's Wildlife by David Burnie
Buy new: $19.77 / Used from: $9.39 |
 | The Deep: The Extraordinary Creatures of the Abyss by Claire Nouvian
Buy new: $37.80 / Used from: $33.50 |
 | Rainforest by Ben Morgan
Buy used from: $12.44 |
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