Harvey Karp Books
2 books by Harvey Karp spanning children's, with a short summary of each and where to buy it.
The Happiest Baby on the Block; Fully Revised and Updated Second Edition The New Way to Calm Crying and Help Your Newborn Baby Sleep Longer
The Happiest Toddler on the Block How to Eliminate Tantrums and Raise a Patient, Respectful, and Cooperative One- to Four-Year-Old: