There's a new resident in Castle Key. Scott, Jack and Emily soon suspect that he's an enemy spy. It explains the bullet-proof glass in the windows of his house, and the MI5 agent who is clearly keeping watch on him.
But what is a spy doing in Castle Key? Can the friends discover his true identity? And will they be able to uncover his secret mission in time to stop him?
Join Scott, Jack, Emily and Drift the dog as they investigate a man so mysterious he's almost invisible!978 1 4440 0536 3
£4.99
www.adventureislandbooks.com
www.orionbooks.co.uk

Helen Moss was born in 1964 and grew up in Worcestershire and Saudi Arabia. After a degree in psychology and philosophy at Oxford University, Helen went on to do PhD research at Cambridge University. She recently spent a year in Portland, Oregon, with her family, and on returning decided to switch direction and devote herself full-time to writing books for young readers. Helen lives in a small village outside Cambridge with her husband, two teenage sons, two border collies, two gerbils, several hens and a bearded dragon called Frankie.
Visit her website at http://www.helenmoss.org.uk and the Adventure Island website at http://www.adventureislandbooks.com.