An epic historical joke and fact book from TV legend Sir Tony Robinson, author of the bestselling The Worst Children's Jobs in History and the Weird World of Wonders series. Sir Tony Robinson's Weird World of Wonders Joke Book is hilarious historical fun! Q: How did the Vikings send secret messages? A: Norse code! Q: Why were the early days of history called the Dark Ages? A: Because there were so many knights. Plus many many more!