The Happiest Baby reveals a stunning new discovery...the calming reflex. It"s almost an "off switch" for crying that all babies are born with. Within just days you"ll boost your baby"s sleep 1-3 hours every night. Dr. Karp and his amazing 5 S"s have helped over a million parents from working moms to superstars...like Madonna! Bonus features: Dr. Karp answers 25 common parenting questions. Bonus sneak peek of The Happiest Toddler on the Block DVD (8 mo.-5 yr.) English or Spanish language