Book excerpt: Have you ever wondered why some people can survive and prosper in the midst of adversity while everyone else around them crumbles? This book is about the principles that heroes have followed for thousands of years to turn tragedy into triumph. You will learn: How Lance Armstrong survived and prospered in the midst of his cancer crisis. Why Pat Tillman, an NFL superstar, gave up his football career to fight and die in Afghanistan. How Todd Beamer, Jeremy Glick and Tom Burnett, Jr. took back the plane after it was hijacked the terrorists of 9/11.