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.