ISBN 0747562105

A deeply creepy story about a parallel world peopled by dark reflections of our normal world. It can be read on many levels.

ISBN 0385606958

A further adventure in the Tom Marlowe series, this is an atmospheric story of murder and intrigue that also delves into our Anglo Saxon past.

ISBN 0552551643

Author Malorie Blackman once worked in IT herself, so this story will speak to computer addicts as well as any child who loves suspense.