Book excerpt: From the author of the New York Times bestselling I Survived series, comes two gripping accounts of two young people who survived two terrifying twisters. The Tri-State Tornado of 1925 was the deadliest tornado strike in American history, tearing through three states and killing 700 people. Almost a century later, the Joplin Tornado was a mile-wide monster that nearly destroyed theheart of a vibrant city. The author of the New York Times best-selling I Survived series now brings you the vivid and true stories of two young people who survived these terrifying twisters, along with fascinating facts abouttornadoes and profiles of the well-respected scientists and storm chasers who study them.