Harvey Karp, M.D., is a well-known physician, child development specialist, and environmental health advocate for children. He is a fellow of the American Academy of Pediatrics and a member of the USC School of Medicine faculty. The Happiest Baby on the Block, The Happiest Toddler on the Block, and The Happiest Baby Guide to Excellent Sleep, all written by Dr. Karp, educate parents how to reduce newborn screaming, improve sleep, cultivate toddler patience, and eliminate tantrums. His guidance has helped millions of parents, including celebrities like Madonna, Michelle Pfeiffer, Larry David, Jewel, and Pierce Brosnan. Dr. Karp's work has been translated into over twenty languages and taught by thousands of Happiest Baby educators across America, making him one of the most read--and most trusted--pediatricians in history.