I bought this book because my 2-year-old little girl was hitting me on occasion. We read it together, and she loved it right away. We read it a few times a day for several days, and I noticed a difference in her behavior from the get-go. If she hit or if she looked like she was going to, I would just tell her, "Hands are not for hitting" just like the book says. I would say her hitting decreased by well over 90% within a few days. Now, months later, she very seldom hits. When she does we pull this book out again and read it together. Anyone with a small child who hits should try this book.