Nightmare Blue: the most addictive drug in the universe. The alien race known as the Aensalords alone know from whence it comes, and are its sole purveyors. Already its effects are visible on Earth—in the stark, raving eyes of the hopelessly addicted and enslaved. Now two agents set out to find the source: Jaeger, the last private detective in the peaceful world of the future, and Corcail Sendijen, a lobster-like alien once a servant of the Aensalords themselves. But Earth alone is not all that is at stake—for it seems humans are merely test subjects, and the Aensalords have plans that could endanger the entire galaxy.

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"My generation of writers has produced relatively few authentic masters. . . Gardner Dozois is one of them."—William Gibson

Science Fiction Hall of Fame inductee Gardner Dozois is the winner of two Nebula awards for his fiction. Dozois was the long-time editor of Asimov's Science Fiction Magazine, a position for which he won fifteen Hugo awards. He remains editor of the annual Year's Best Science Fiction anthologies.

George Alec Effinger was the winner of the Nebula and the Hugo awards. His solo novels include the celebrated Marîd Audran cyberpunk series.