Ten years ago this week, ON FIRE was released.

When the book first went out into the world, I wasn't expecting bestseller lists, translations into a dozen languages, or a feature film. My hope was far simpler: to honor the people who saved my life.

In sharing their stories, my hope was simple: to remind readers that they, too, could be part of someone else's miracle.

Because what made these heroes remarkable wasn't supernatural power. It was their decision to use their lives to elevate someone else's.

A superpower available to all of us.

My hope was that readers would recognize the heroes in their own story—and then choose to become one in someone else's.

And yet, something remarkable happened. Let me explain.