Evolution of the children's book: what formats enjoy popularity at children

For attention of modern children and teenagers authors of books should fight. At whom from authors it turns out and why? I believe that something rather magic can occur when you read the good book. Parents choose Joan Rouling and his consumer – not the same person. That is books are bought by parents, and they are intended for children. And, of course, the publisher, in the conditions of the wild competition, first of all, directs efforts to the buyer. It turns out that interests, tastes, views of the child, fade into the background...