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 chased by uprooted trees—it all sounds like the stuff of nightmares. The boys fight to survive a series of terrifying nighttimes, realizing that sometimes the nightmares don’t go away—even when you’re awake... A Supernatural novel that reveals a previously unseen adventure for the Winchester brothers, from the hit TV series!