Sixteen-year-old David, finding a strange machine that creates replicas of living organisms, duplicates himself and suffers the horrible consequences when the duplicate turns against him.
- ISBN10 0525443908
- ISBN13 9780525443902
- Publish Date 28 April 1988
- Publish Status Out of Print
- Out of Print 14 June 2021
- Publish Country US
- Imprint Penguin Books Ltd
- Format Hardcover
- Pages 160
- Language English