Dads are notoriously impossible to buy decent gifts for. They don't need any more aftershave and there are only so many socks and jocks that they can store in their drawers. But fear not--help comes in the form of "Who's the Daddy? Joke Book," Chock full of amusing anecdotes, funny jokes, silly sayings, and quotations, this riotous romp explores what tickles the paternal funny bone.