When you're talking about baby sleep experts, the name Dr. Marc Weissbluth is pretty legendary. It's right up there with Dr. Richard Ferber, Elizabeth Pantley, and Nicole Johnson (couldn't leave Nicole out, now could we? ;-) ). And it's no wonder; Weissbluth's book, Healthy Sleep Habits, Happy Child is considered one of the 'baby sleep bibles' by the many people who've read it over the years. But is this book really one of the definitive works on baby and toddler sleep? Is it worth buying