Bestselling author Bob Phillips (combined sales of more than 9 million copies!) has done it again. This wild collection of knock–knock jokes is sure to keep the kids giggling and Gramps chuckling—the whole household will be in stitches!Keep this book in the car for some rib–tickling fun on long road trips. Keep it in the playroom for a quick smile. Keep it on a nearby shelf for a surefire icebreaker at the party. Filled to the brim with funny and just plain silly riddles, this is a book every kid will want and every parent will enjoy. Laughter is only a knock–knock joke away!