Callan is washed up. The most efficient killer in Europe is working as a book-keeper for a small, dusty merchant. But Circumstances force Hunter to employ him for one last operation. Schneider. Cheerful, friendly, affluent Schneider with his innocent passion for model soldiers. Callan hunts again And again his tool is Lonely, the most frightened little man in the underworld. It is Lonely who gets him the gun, a Noguchi Magnum 38 calibre. A magnum for Schneider. The operation is studded with leathal booby-traps, but Callan's own inhibitions are the most dangerous.

The Russians have uncovered a British spy inside the KGB but are willing to trade. The price they demand is the death of David Callan, the security service's most efficient assassin. Callan has no say in the matter; he is to be sacrificed. Yet even with his eyesight failing and his guns, money and passport all taken from him, Callan has no intention of going quietly. Isolated, betrayed and disadvantaged, he is hunted across London by three KGB killers in a deadly game of cat-and-mouse, but proves that some mice, even when cornered, can defend themselves.

From the US Hardback A Greek political exile named Sophie Kollonaski wants to hire David Callan, the most efficient killer in Europe, to 'kidnap' her beautiful daughter on Crete, where she is under the protective custody of Michael Vardakis, Sophie's cousin. But Callan isn't a freelance. He works for Special Branch, a secret British agency, and besides, the job is too dangerous, so Callan refuses the assignment. But Hunter, Callan's boss, tells him to accept it. Hunter sees possibilities..

There were two little favours Hunter wanted from Callan. Stealing a book from a library wasn't so bad- except that the library was in Sicily- but making sure that Gunther Lesir lost a fortune at cards was a bit more of a problem... Callan was no card sharp... And the worst thing was, you knew with Hunter that, that wouldn't be the end of it. In no time, Callan was off on a trail that led from Las Vegas to Mexico and into the dirtiest business in the drugs, prostitution, blackmail...death...

Someone is out to kill Major David Callan. As yet he doesn't know who's behind it, but he does know who's been given the Hermann Voss, his ex-captor and torturer in East Berlin before the Wall came down...and perhaps the only man up to the job. The action is non-stop and ranges from London to the south of Spain before it reaches the inevitable showdown.