The True Believer shows how the same human frustrations drive all mass movements—whether social, political or religious. People join mass movements to escape their ineffectual and helpless individual self. Eric Hoffer wrote this book 70 years ago, but it's still frighteningly relevant today.
The Heart of the Buddha's Teaching introduces the most essential Buddhist ideas in a way even secular people can easily digest. These ideas include The Four Noble Truths and The Noble Eightfold Path. Thich Nhat Hanh explains how Buddhism is in its essence a pragmatic approach to ending personal suffering.
Maps of Meaning says that myths have a tremendous unseen value. They laid the foundation for large, stable and successful civilizations that lasted thousands of years. Myths also provide time-tested wisdom to help us eradicate evil in the social world, and move past unpredictable catastrophes in our personal lives.