The Dirty Joke Book Volume I Pig Laffs Author:Kathy and Shelly, Kathy Kathy and Shelly bring you this collection of one-off jokes from all around the world. Inside are side-splittingly funny farm jokes, laugh-out-loud one liners, and politically incorrect jokes that make even the straightest stiff crack a smile. Not too off-color, but definately not for children. And, yes, the cover is a Robert Crumb exclusive!