This is the eagerly-awaited fourth book in this bestselling series. Hong Kong has been taken over by the Old Ones and has become Necropolis, city of the dead. Once in, there is no way out...Evil has been unleashed on the world and only five children - with special powers - can save it. Matt and the other three desperately need to find Scar, the final gatekeeper, who has been trapped in Hong Kong, where puddles of water turn into puddles of blood, where ghosts, demons and hideous creatures stalk the streets. Matt has no choice but to follow her. Now, both imprisoned, their only hope of survival is to reach a secret door in the Man Ho temple. But even if Scar can find her psychic power, it may already be too late.

* There aren't many writers who in one book can bridge the gap between Enid Blyton, Ed McBain and JRR Tolkein, but it's the kind of challenge that the energetic Horowitz relishes. The Daily Telegraph * Horowitz is marvellous at getting inside the minds of disenfranchised marginalised teenage boys. The Times

Anthony Horowitz is the creator of the phenomenal Alex Rider series which has sold over ten million copies worldwide. He won the Bookseller Association/Nielsen Author of the Year Award 2007, the Children's Book of the Year Award for Ark Angel at the 2006 British Book Awards, and the 2003 Red House Children's Book Awards for Skeleton Key. Anthony also writes extensively for film and TV. He lives in north London with his family.