The Happiest Baby on the Block: The New Way to Calm Crying and Help Your Newborn Baby Sleep Longer  It is not an understatement to say this book saved my husband and I's sanity during our son's first year. - Jennifer Hancock In a innovative and thought-provoking reevaluation of early infancy, Dr. Karp blends modern science and ancient wisdom to prove that newborns are not fully ready for the world when they are born. Through his research and experience, he has developed four basic principles Read more [...]