Tornadoes are often in the news. These monster storms can cut a path of destruction when they touch down, and the United States gets an average of about 1,000 tornadoes a year - more than any other country! But how do tornadoes form and where do they occur most often? The answers to these questions and more are right inside this amazing book! Plus, you will learn all of the important vocabulary words that you need to understand these extreme storms.