Knock Knock!

Knock Knock! is the best book of knock knock jokes ever!
This hilarious, 352-page humor collection features more than 1,000 knock-knock jokes and cartoons covering lots of kid-friendly topics. Kids will love amusing themselves—and friends and family—with this ultimate knock-knock collection.Highlights™ is the trusted brand that believes children are the world’s most important people. From our award-winning magazines—Highlights™, High Five™, and Hello™—to our bestselling puzzle books and groundbreaking educational books, the Highlights promise of helping children become their best selves can be found in all of our exceptional, high-quality products for children.