What children in places like Afghanistan show us is so different from what we as adults show them. When they are exposed to media they hear about the political shortcomings and violence. When they see themselves, the reflection is refugee camps with sad faces and poverty.
The expectation that most of the audience would rush out and purchase the book, as Oprah's audience does today, was not there. With a good book reviewer, you didn't need to do any page turning yourself.