Book excerpt: "History with twice the nasty bits! The angry Aztecs fills you in on the foulest facts about Mayan mysteries, cunning conquistadors and people whose idea of fun was ripping out human hearts. The incredible Incas gives you the gory details about the incredible empire which ruled 12 million people but was smashed by 260 Spanish invaders, and a few germs. Read on for curious quizzes, rotten recipes, gruesome games and terrbile tests for you teacher."-- Back cover. Suggested level: primary, intermediate, junior secondary.