When aliens invade from outer space, boy genius Alistair is the only person able to save the Earth.
- ISBN10 0241002567
- ISBN13 9780241002568
- Publish Date 29 September 1994 (first published 1 April 1994)
- Publish Status Unknown
- Out of Print 15 January 1998
- Publish Country GB
- Publisher Penguin Books Ltd
- Imprint Hamish Hamilton Ltd
- Format Hardcover
- Pages 48
- Language English