The Happiest Baby on the Block: The New Way to Calm Crying and Help Your Newborn Baby Sleep Longer by Harvey Karp 7 h 42 min
The Happiest Toddler on the Block: How to Eliminate Tantrums and Raise a Patient, Respectful and Cooperative One- to Four-Year-Old by Harvey Karp, M.D. 7 h 8 min
