Again a handful of titles that spring to mind, maybe I will get round to adding some personal thoughts thereon..

Gaia Theory - James Lovelock

The Prophet - Kahlil Gibran

The Shock Doctrine - by Naomi Klein

Nourishing Traditions - Sally Fallon
The Cookbook that Challenges Politically Correct Nutrition and the Diet Dictocrats

The Clash of Fundamentalisms: Crusades, Jihads and Modernity - by Tariq Ali

No Logo - by Naomi Klein

The Final Empire: The Collapse of Civilization and the Seed of the Future - by William H. Kotke

1984 - by Orwell