I'm not a big fan of horror as a genre for film or writing. But, there have been a few books that scared the bejesus out of me. Most recently was Devil in the White City by Erik Larson, which literally put the fear of the devil in me. Best of all, the book is nonfiction, so the fear felt especially real.

How can you terrorize your own readers? Mort Castle shares some of his expertise from the book On Writing Horror over at Writers Digest.