(From the publisher):
The White Rat - a traitor hidden somewhere in the highest echelons of British Intelligence, prepared to send colleague after colleague to a terrible death in the Soviet Union - until his last victim - a man who did not die but, after years in a mental home, recovered enough to enlist some formidable allies and set out on a mission of vengeance.
The New Avengers - John Steed, Mike Gambit, and their lethal, beautiful assistant, Purdey, promised that whatever the cost they would help to identify , find and destroy the traitor known only as the White Rat.
Original title: To Catch a Rat
Genre: Fiction→ Adventure→ Spy/Espionage