General Buddhism
What the Buddha Taught by Dr. Walpola Raula
The Buddha Before Buddhism by Gil Fronsdal
Why Buddhism is True by Robert Wright
Mindfulness and Meditation
Zen Mind Beginner Mind by Sunryu Suzuki
Mindfulness in Plain English by Bhante Gunaratna
Breathe You’re Alive by Thich Nhat Hanh
Sectarian Buddhism
Buddhism Beyond Beliefs by Stephen Batchelor
Engaged Buddhism
A Plea for the Animals by Matthieu Ricard
Buddhism Basics 