With his newest, hilarious collection of never-before-heard knock-knock jokes, Rob Elliott will have kids and parents alike rolling with the laughter! The newest installment in the #1 bestselling Laugh-Out-Loud Jokes for Kids series, THE BIG BOOK OF KNOCK-KNOCK JOKES is filled with more than one hundred jokes that are guaranteed to keep the whole family in stitches. And not only that—these gags encourage reading fluency as it guides aspiring quipsters along the way to becoming everyone’s favorite comedian. This jam-packed 128-page paperback will have readers of all ages laughing with these family-friendly jokes!