6The Gigantic Knock Knock Joke Book for Kids is sure to give kids (and maybe even parents!) hours and hours of laugh-out-loud, snicker, chuckle, and even roll-your-eyes entertainment!Inside, you'll find over 300 clean, kid-friendly knock knock jokes! No need to worry about what your child is reading.Knock knock jokes provide fun for the whole family! They also give your child reading practice and lessons in pronunciation.I hope you and your silly little ones have hours of fun reading through this book!