Upon moving to Sentinel House, five-year-old Matty and fifteen-year-old Graham encounter ghosts from a nearby abandoned military compound, but real trouble begins when their father is arrested for posting information about a secret weapons system on the Internet.Upon moving to Sentinel House, five-year-old Matty and fifteen-year-old Graham encounter ghosts from a nearby abandoned military compound, but real trouble begins when their father is arrested for posting information about a secret weapons system on the Internet.

Product Description: In their new home in the country, Graham and his small sister, Matty, sense terrifying secrets are hidden there. Graham's father works on a state-of-the-art computer-guided weapons system for the future - shortly to be shown to the big players in the international weapons market...read more

When Greg returns to school after illness he finds that his usual Maths partner has been changed and he now has to work with Inderjit Sandhu. They struggle to like each other, and Inderjit accuses Greg of having an ego 'the size of three counties', but then they stumble upon a secret that draws them together.

Product Description: Elliot's father was an acclaimed war photographer killed in Paris three years previous. When Elliot's mother makes a press announcement that his father's photograph collection will be auctioned, it stirs up unexpected interest from the Bosnian embassy, ostensibly looking for evidence of war criminals...read more

Product Description: In their new home in the country, Graham and his small sister, Matty, sense terrifying secrets are hidden there. Graham's father works on a state-of-the-art computer-guided weapons system for the future - shortly to be shown to the big players in the international weapons market...read more