List of the best Mo Willems books, ranked by voracious readers in the Ranker community. With commercial success and critical acclaim, there's no doubt that Mo Willems is one of the most popular authors of the last 100 years. If you're a huge fan of his work, then vote on your favorite novels below and make your opinion count. This poll is also a great resource for new fans of Mo Willems who want to know which novels they should start reading first. With memorable characters and excellent storytelling, there's no reason why you shouldn't check out his work if you're a big reader.List books include Don't Let the Pigeon Drive the Bus!, Knuffle Bunny: A Cautionary Tale, and many more. What are Mo Willems's best novels? Vote on this list and help us definitively answer that question.