Just as she's done in her previous books, Cynthia Bourgeault asks us to take a look at an idea from traditional Christianity--this time the formula of Father, Son, and Holy Spirit--as though we're looking at it for the first time. And as usual, she reveals it to be something we hadn't expected at all. She finds in the idea of the Holy Trinity a striking vision of the nature of reality. What she claims, in a nutshell, is that embedded within this theological...