Navajo tribal policeman Jim Chee searches for the killer of a fellow policeman while a biologist hunts for the key to the most virulent form of bubonic plague since the Middle Ages, which appears to have returned in the high, dry land of the American Southwest. But detectives Jim Chee and Joe Leaphorn discover an even deadlier killer--the victims include not only police but also scientists hunting the key to the dread disease.
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