Knock-knock jokes are wildly popular with kids. Curated by the editors at Highlights, this new collection of animal knock-knock jokes is going to knock kids' socks off and make them laugh out loud. Hilarious black-and-white cartoons round out the fun. This side-splitting humor collection features 365 uproarious knock-knock jokes--with tons of funny cartoons to complement the jokes. Kids will love amusing themselves--and friends and family--with this hilarious knock-knock collection.