The Top 10 Worst series counts down the angriest animals, the vicious villains, the creepiest mysteries and more! Featuring frightful facts about the world’s creepiest unsolved mysteries, the scariest dinosaurs and 10 most vicious villains in the history of mankind. Each title explores the facts and the science behind each subject as well as looking at their impact on the world at large. Full-colour, humorous illustrations are accompanied by clear, concise text. Features full glossary and index.