Featuring an exciting countdown from 10th place to the number-one spot and ranked by an "Extreme Score," this engaging series offers young readers fun, detailed facts about some of the craziest, most dangerous, innovative and interesting things that have ever existed. Each miscellany features large, detailed illustrations and color photographs and a list of runners-up who did not quite make the cut. Entertaining and informative, the books in this series additionally feature statistics for more information and glossaries to help develop vocabulary. This guide journeys into the world of predatory dinosaurs and uncovers the most fearsome reptiles of the prehistoric world.