How do hurricanes form? Where is the worlds hottest location? Which American city has the largest average snowfall? Readers can find facts on major hurricanes and typhoons of recent decades and the tracks they have taken. They will also find information on reading and understanding weather maps, climate variations around the world, the global warming problem, and much more. Each title in "Barrons Pocket Factbooks" series focuses on one of the natural or social sciences. It presents fascinating, sometimes little-known facts about its subject, as well as answers to frequently-asked questions. These books make handy reference sources for students, freelance writers, and general readers who are interested in finding out the how, where, when, and whythe specific facts and details relating to science, technology, natural history, and social history. All titles in this series are filled with attractive color photos and illustrations.