Brian Swimme, Ralph Abraham, Stanislav Grof, Deepak Chopra, Rupert Sheldrake, Lynn Margulis, Terence McKenna, and William Irwin Thompson present their ideas concerning the evolution of consciousness.

Twilight of the Clockwork God: Conversations on Science and Spirituality at the End of an Age 1999, Council Oak Books

ISBN-13: 9781571780799