Colonel Arkadi Ganin. A man of many identities — and one motive: to kill Agent N3.

Ganin had been on a lot of assignments in his distinguished career, but none compared to this one. It was the sort of thing he liked most. This time there would be no flabby, unaware politician to kill; no military leader, no general, no diplomat. This time he was going after a much more interesting target. A target that would fight back.

Ganin was ready for it. Nick Carter. One-on-one. To the death...

The Petrograd submarine, Russia’s newest and deadliest war-toy, is NATO’s worst nightmare. So, when a Russian naval officer offers the sub’s plans and maintenance manual for sale, the CIA station chief in Tokyo jumps at the chance. Both get more than they bargained for. Hours later Russian-seller and CIA-buyer are dead-gunned down by the KGB. But the microchip with the plans has vanished.

With the plans up for grabs Tokyo becomes a chess board of intrigue in a deadly game of Far Eastern espionage. But the Killmaster is playing for higher stakes. As Soviet and Western agents clash, N3 goes after the sub itself...