Twenty-three years ago, Sam and Dean Winchester lost their mother to a mysterious demonic supernatural force. In the years after, their father then taught them about the paranormal evil that lives in the dark corners and on the back roads of America... and he taught them how to kill it. Alerted to strange happenings in Clayton Falls, Colorado, Bobby sends the boys to check it out. A speeding car with no driver, a homeless man pursued by a massive Gila monster, a little boy attacked by uprooted trees—it all sounds like the stuff of nightmares. The brothers fight to survive a series of terrifying nighttimes, realizing that sometimes the nightmares don't go away—even when you're awake... A brand-new Supernatural novel set amidst the turmoil of season 6, that reveals a previously unseen adventure for the Winchester brothers, from the hit CW series!