by Highlights (Created by)

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.

Author Biography

Highlights(TM) is the trusted brand that believes children are the world's most important people. From our award-winning magazines--Highlights(TM), High Five(TM), and Hello(TM)--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.

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