Soul Evolution is a book for optimists. It is a book for everyone who believes in the Divine in any and every form. It is for anyone who faces our collective pr

A new theory about the origins of consciousness that finds learning to be the driving force in the evolutionary transition to basic consciousness. What marked t

"A book for contemporary seekers. It illumines the eternal quest for spiritual truth in the context of our time--a time of crisis and paradox. Even as threats t

A "defense of science and clear thinking [in a] career-spanning collection of essays, including twenty pieces published in the United States for the first time"