When Kerner's physics research is leaked to the Russians, Hapgood is assigned to track down the double agent.
- ISBN10 0571129404
- ISBN13 9780571129409
- Publish Date 1 September 1989
- Publish Status Out of Print
- Out of Print 14 April 2015
- Publish Country US
- Imprint Faber & Faber
- Format Paperback (US Trade)
- Language English