"In the mountains, people are disappearing. One man finds out what is happening. And he doesn't believe his eyes. Then he finds out that some of his friends aren't who they seem to be. 'Zone 13', a high interest age, low reading age series covering the supernatural. These exciting action packed stories appeal to children with a love of the unexplained. In the mountains, people are disappearing. One man finds out what is happening. And he doesn't believe his eyes. Then he finds out that some of his friends aren't who they seem to be. 'Zone 13', a high interest age, low reading age series covering the supernatural. These exciting action packed stories appeal to children with a love of the unexplained" -- Publisher description.