My Story As Told by Water by David James Duncan

Monkey Dancing by Daniel Glick

Cadillac Desert by Marc Reisner

Animal, Vegetable, Miracle: A Year of Food Life by Barbara Kingsolver

The Tiger by John Vaillant

The Botany of Desire: A Plant's-Eye View of the World by Michael Pollan

The Wild Trees by Richard Preston

The Hot Zone by Richard Preston

Desert Solitaire by Edward Abbey

Down the Great Unknown by Edward Dolnick

Eye of the Elephant by Delia and Mark Owens