I purchased this book as I thought it was appropriate due to my child's age. However, I realized that I should have bought the very first one. I read this anyway. I found it quite hilarious! While I can appreciate that Ezzo perceives that he is accurate, I find that it is assanine that someone truely believes that in order for a baby to sleep better they need to feel that their parent's marriage is secure! I picked and chose the information that I felt was accurate and went from there. I wouldn't recommend this book alone. I would recommend this book in tandem with Sleeping Through the Night, Revised Edition: How Infants, Toddlers, and Their Parents Can Get a Good Night's Sleep by Jodi A. Mindell who takes a scientific approach versus her experience.