Get ready to ROTFL! The sixth book in this successful series delivers 300 new laugh-out-loud knock knocks, question-and-answer jokes, tongue twisters, and more! Silly jokes paired with photos of laughing animals and funny people are guaranteed to tickle the funny bone of kids everywhere! "This slender title presents 300 hilarious jokes, riddles, and tongue twisters. Speech bubbles attributing the jokes to various animals give the book a zany, off-the-wall feel, and readers will enjoy factual asides about the creatures as well." - School Library Journal NATIONAL GEOGRAPHIC KIDS inspires young adventurers to explore the world through award-winning magazines, books, website, apps, games, toys, television series and events and is the only kids brand with a world-class scientific organization at its core.