Altered States of Consciousness (editor and contributor)
On Being Stoned. A Psychological Study of Marijuana Intoxication
Transpersonal Psychologies
States of Consciousness
Symposium on Consciousness (with P. Lee, R. Ornstein, D. Galin, and
A. Deikman)
Learning to Use Extrasensory Perception
Psi: Scientific Studies of the Psychic Realm
Mind at Large: Institute of Electrical and Electronic Engineers Symposia on the Nature of Extrasensory Perception (with C. Tart, H. Puthoff, and R. Targ, editors and contributors)
Waking Up: Overcoming the Obstacles to Human Potential
Open Mind, Discriminating Mind.- Reflections on Human Possibilities
Living the Mindful Life
Body Mind Spirit: Exploring the Parapsychology of Spirituality
Mind Science: Meditation Training for Practical People