Robert, Tom and Emma have rescued Hope from her terrible prison in the black room-but now she's disappeared. Is she still alive? Can they save her? The only person who knows the answers man with blue eyes. He seems to have some kind of strange power, but what do they really know abut him? And why is he always there when something incredible happens?

The Nightmare Game is the gripping climax of The Dark Ground trilogy-a fast-paced psychological thriller from award-winning Gillian Cross.

Its publication will be supported by an extensive PR campaign. This will include an author tour, features and interviews, and appearances at festivals and events.

Writing for children for over 20 years, Gillian Cross has won not only the Carnegie Medal for Wolf, but also the Smarties Prize and the Whitbread Children's Novel Award for The Great Elephant Chase. Her Demon Headmaster books are best-sellers and have been sown twice on BBC televeision.