Supernatural: Night Terror by John Passarella is the ninth novel tie-in for Supernatural. It takes place between the sixth season episodes "Frontierland" and "Mommy Dearest." It was published September 13, 2011 by Titan Books and is 384 pages in length.
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 night times, realizing that sometimes the nightmares don't go away - even when you're awake...