- Voluntary Simplicity: Toward a Way of Life That is Outwardly Simple, Inwardly Rich
- The Living Universe: Where Are We? Who Are We? Where Are We Going? (BK Life (Paperback))
- Choosing Earth: Humanity's Journey of Initiation Through Breakdown and Collapse to Mature Planetary Community
- Awakening Earth: Exploring the Evolution of Human Culture and Consciousness
- Promise Ahead: A Vision of Hope and Action for Humanity's Future