It's Book Business Friday. When children's books take the leap to the movies, it's sometimes a big success, but certainly not always. In a recent article in Forbes, the top ten most successful characters from children's books (books for ages 12 and under, that is) are discussed here. Read the article, then look at the related slide show here. These films sell tickets, sell books, and sell merchandise. The trailer below seems like an oldie but goodie now. Smell the popcorn?