Diane Keaton recently released a new book, "Then Again," but just like the idiosyncratic actress, it's not your run-of-the-mill celebrity autobiography. The book is really a joint effort between Keaton and her late mother, Dorothy Hall, who kept extensive journals throughout her life, and the result is a poignant and deeply moving memoir.In "Then Again," the 65-year-old actress candidly writes about the three big loves of her life: Woody Allen, Warren Beatty and Al Pacino, and reveals her secret struggle with bulimia during her early 20s.Why did you decide to focus half of the book on your mother, Dorothy?Read More... More on Celebrities