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 ereader or app 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!