Twelve-year old twins, Mika and Ellie, live in a future behind a wall - safe from the plague animals beyond. Or so they've been told. But when one of them disappears, and the other takes part in a sinister virtual reality game, they begin to discover their concrete world is built on lies. Determined to find each other again, they go in search of the truth. And as a strange sound in their heads grows to a roar, they find out that children and the planet have never mattered more.
- ISBN13 9781905294633
- Publish Date 7 July 2008
- Publish Status Out of Print
- Out of Print 13 May 2016
- Publish Country GB
- Imprint Chicken House Ltd
- Format Paperback
- Pages 490
- Language English