Philosophy

Julian Baggini

The Duck that Won the Lottery

A.N. Whitehead

Science and the Modern World

Aldo Leopold

A Sand County Almanac

William James

The Varieties of Religious Experience (Touchstone)

Charles Darwin

The Origins of Species

Friedrich Nietzsche

On the Genealogy of Morality

Plato

The Trial and Death of Socrates

Henry D. Thoreau

Walden (Vintage Books/Library of America)

Alexis de Tocqueville

Democracy in America, Vol. I

Sun Tzu

The Art of War (Barnes & Noble)

H.L. Mencken

Treatise on the Gods

John Brockman

Intelligent Thought: Science Versus the Intelligent Design Argument