Around 2,000 jokes, puns and poems of cringe-worthy silliness - and one piece of advice: - If at first you don't succeed ... forget skydiving. Dad jokes at their very worst - dive in, cringe and, above all, be amused. But if you have wondered about these questions: - What would happen if there were no hypothetical situations? - Why didn't Tarzan have a beard? - Why do fridges have a light but freezers don't? - Do you get repossessed if you don't pay...