With hundreds of jokes on a wide selection of themes, Laugh Your Head Off has got something to tickle any funny bone. Try crisscrossing some critters: What do you get if you cross a shark with a hyena? An animal that bites you and then laughs about it. Like knock-knocks? This one's sure to please: Knock, knock. Who's there? Howard. Howard who? Howard you like me to fix your doorbell? With puns, riddles and rhymes galore, there's plenty of fun on these pages.