The seventh novel in the internationally bestselling series of thrillers from Sean Black. "This series is ace. There are deservedly strong Lee Child comparisons as the author is also a Brit, his novels US-based, his character appealing, and his publisher the same." - Sarah Broadhurst, The Bookseller THE EDGE OF ALONE An isolated school for troubled teens. A series of mysterious deaths. A father frantically trying to rescue his daughter before it's too late. But when the law won't listen, who can he turn to? Private security operator Ryan Lock is back in the brand new novel from the master of the modern thriller, Sean Black.