Vital information is being leaked from top British companies, and with the Cold War intensifying, the Home Office suspects it is travelling east.
The leak is traced to the Oxfordshire headquarters of a large scientific engineering group. Thanks to his new-found reputation as an amateur sleuth, Peter Blair is called to investigate.
Peter travels undercover as a river-bound holidaymaker. But this is no pleasure cruise - before long Peter finds himself face-to-face with murder.
Death in the Thames, the second mystery featuring Peter Blair, and following on from Death on the Rocks, is not to be missed. Conspiracy and intrigue, corrupt politicians and devious businessmen - this is J.R.L. Anderson at his best.