In 2004, Kevin Malarkey and his six-year-old son, Alex, suffered a terrible car wreck. The impact from the crash paralyzed Alex-and it seemed impossible that he could survive. "I think that Alex has gone to be with Jesus," a friend told the stricken dad. When Alex awake from a coma two months later, he had an incredible story to share. Of events at the accident scene and in the hospital while he was unconscious. Of the unearthly music that sounded...