The Tri-State Tornado of 1925 was the deadliest tornado strike in American history, tearing through three states and killing 700 people. The Joplin Tornado of 2011 was a mile-wide monster that destroyed heart of a vibrant city. The true stories of these two events plus fascinating facts, profiles of tornado scientists and storm chasers create a unique and thrilling nonfiction read, by the author of the New York Times bestselling I Survived series.