Best Seller | Pre-Owned The Happiest Baby Guide to Great Sleep: Simple Solutions for Kids from Birth to 5 Years (Paperback) 9780062113320. Pre-Owned: Good condition. Paperback. Language: English. Dr. Harvey Karp is famous for his brilliant insights into centuries-old parenting problems and for discovering breakthrough solutions that are simple ...practical ...and fast... more | | $5.75 $4.44 FREE shipping go to store |