- Animal, Vegetable, Miracle, Barbara Kingsolver
- Cities on a Hill, Frances Fitzgerald*
- Earth in Mind, David Orr
- Ecotopia, Ernest Callenbach*
- Last Child in the Woods, Richard Louv
- Six Thinking Hats, Edward de Bono*
- Small is Beautiful: Economics as if People Mattered, E.F. Schumacher*
- Stuffed and Starved, Raj Patel
- The Answer to How is Yes, Peter Block
- The Botany of Desire, Michael Pollan
- The Element, Ken Robinson
- The Sacred Balance, David Suzuki
- The World Café, Juanita Brown
- Zen and the Art of Motorcycle Maintenance, Robert M. Pirsig
*One of my seminal works for my Question