Book 1, Meditation Is Not What You Think, addresses the essence of mindfulness, what it is, where it comes from, and why it is so important. You can think of this book as the what and the why of mindfulness, both in terms of your personal life, and in terms of the planet and the threats it is facing, all stemming from human activity, and in particular, the human mind when it doesn’t know itself.
An excerpt may be found at: Medium.com