Even nonfiction can hold the stuff of nightmares. Whether it’s natural disasters outbreaks of plague , or serial killers hidden in plain sight , there’s no question that reality has its dark moments. Fortunately, there is a silver lining.This roundup of highly rated true stories shows that there are just as many real-life heroes as there are real-life monsters. Which of these books will you be adding to your to-read list ? Share your favorites with us in the comments.