Input (grade 6): Some of his most popular books include The Twits, Charlie and the Chocolate Factory, James and the Giant Peach, Fantastic Mr. Fox, Matilda, The Witches, and The BFG.
Output (grade 10): Among his most popular books are Charlie and the Chocolate Factory, James and the Giant Peach, Matilda, The Witches, The BFG, and Kiss Kiss.