Knock For

Knock-Knock! Who's There?: A Load of Laughs and Jokes for Kids

Craig Yoe

Let Me Knock That Off the Counter For You : And More Everyday Sass from Cats

1001 Outrageous Dad Jokes and Wisecracks for Fathers and the entire family : Fresh One Liners, Knock Knock Jokes, Stupid Puns, Funny Wordplay and Knee Slappers

Johnny Nelson

Knock Out Networking for Financial Advisors and Other Sales Producers : More Prospects, More Referrals, More Business

Michael Goldberg

Belly Laugh Knock-Knock Jokes for Kids : 350 Hilarious Knock-Knock Jokes

The Tommyknockers

Stephen King

Knocked Up by the Mob Boss

Nicole Fox

Knocked Up by the CEO

Lilian Monroe

Death Knocks Twice

Robert Thorogood

Knocked Up

Stacey Lynn

Knocked-Up Cinderella

Julie Hammerle

Phenomenal X

Michelle A. Valentine