Knock-knock jokes are wildly popular with kids. Curated by the editors at Highlights(TM), 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 sidesplitting 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. n