How to be Good

''How to Be Good'' is a story for our times - a humorous but uncompromising look at what it takes, in this day and age, to have the courage of our convictions. In this book the author has reinvented himself as Katie - the consummate liberal, urban mom - a doctor from North London whose world is being turned on its ear by the outrageous spiritual transformation of her husband, David. ''How to Be Good'' has the ironic, funny, startlingly accurate take on our modern selves and our modern world that