You wake up screaming. Then you find out that it can get a lot worse. At least then you could still scream. The Grey Men is part of the Zone 13 series, published by Ransom Publishing, a specialist publisher for reluctant readers and struggling readers. The Zone 13 books offer exciting, action-packed stories covering the supernatural, appealing to children with a love of the unexplained. The Zone 13 series is ideal for reluctant readers aged 8 - 14 with a reading age of 8 - 9 years.