Throughout history, some books have changed the world. They have trans-formed the way we see ourselves - and each other. They have inspired debate, dissent, war and revolution. They have enlightened, outraged, provoked and comforted. They have enriched lives -and destroyed them. Now penguin brings you the works of the great thinkers, pioneers, radicáis and vision-aries whose ideas shook civilization and helped make us who we are.