From the phenomenally successful author of the 'Mr Midnight' and 'Mr Mystery' books, which have sold over 3 million copies around the world, comes a fantastically creepy and thoroughly absorbing new series of middle-fiction novels. Each Ghostworks book contains two chilling tales which will entrance young readers. Book 2 features: Story 1: VAMPIRES AT SCHOOL Holly and her friends are convinced something's wrong with their school gardener. Could he be a vampire? Story 2: MY GHOST POSITIONING SYSTEM Oscar gets more than he bargained for when his GPS disturbs a gang of ghostly crooks