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