Download or read book Harry Potter Knock Knock Jokes for Kids written by Nina Riddle and published by Independently Published. This book was released on 2017-12-31 with total page 57 pages. Available in PDF, EPUB and Kindle. Book excerpt: Harry Potter Knock Knock jokes for kids ages 7-12. Written by an English teacher with a focus on word variance to help children build their vocabulary. Education AND fun! You'd be crazy not to buy it. Knock, knock. Who's there? Tonk. Tonks who?. Tonks, for nothing, Muggle!. Knock, knock. Who's there? Wand. Wand who? Wandering through the neighborhood and thought I'd say hello.