"Knock! Knock! Who's there? Justin. Justin who? Justin the neighborhood and thought I'd come over."

Most dads get their best material from their families. And that's what we have here: a collection of riddles, jokes, one-liners, hilarious anecdotes and pointed wit that see families for what they truly are--our chief source of amusement!

Reader's Digest has a long tradition of providing our readers with laughter through our many columns in the magazine. This collection is pulled right from that humorous source.

"Did you hear that NASA has launched several cows into orbit? It was the herd shot around the world!"