Author: Rudden, Dave Interest age: from c 9 yearsPublished on 7 April 2016 by Penguin Random House Children's UK (Puffin) in the United Kingdom as part of 'the Knights of the Borrowed Dark' series.Paperback | 368 pages130 x 198 x 24 | 258g The first book in a new series about an orphan boy who discovers he is part of a secret army that protects the world from a race of shadowy monsters.Grey placed his finger in the middle of the shadow.'What's this?' he asked.Denizen frowned. 'It's a shadow.''No, it isn't,' Grey said. 'It's a door.'Denizen Hardwick doesn't believe in magic - until he's ambushed by a monster created from shadows and sees it destroyed by a word made of sunlight.That kind of thing can really change your perspective.Now Denizen is about to discover that there's a world beyond the one he knows. A world of living darkness where an unseen enemy awaits.Fortunately for humanity, between us and the shadows stand the Knights of the Borrowed Dark.Unfortunately for Denizen, he's one of them . . .