• An original readable, understandable (and brief) discussion of one of the great philosophical mysteries.
• The author is distinguished and well-connected (20 books in print) and one of the world's most notable polymaths.
• The co-author is a leading art historian, museum curator and controversialist and an author of many books.
• Because it deals with critical concern in an accessible way it has clear teaching/academic applications in courses.
• It will likely appeal to the general reader seeking answers to an obvious question.