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the third volume in a series of science-fiction thrillers evolving from the works of arthur c. clarke, grandmaster of science fiction and author of 2001: a space odyssey. Her code name is Sparta. Her beauty veils a mysterious past and abilities far surpassing those of a normal human?the first product of advanced biotech engineering.

At long last, evidence of extraterrestrial life has been found: a plaque discovered on the edge of the north polar icecap on Mars. And when the theft of that alien artifact leads to two murders in the Labyrinth City, Sparta must risk her life?and her identity?to solve the case.

As the mystery unravels, the investigation becomes a race across the stars to retrieve the plaque?a quest which will ultimately uncover even more evidence than Earth's scientists have ever discovered

This star-spanning adventure brings together the genius of Arthur C. Clarke and the talents of distinguished science- fiction writer Paul Preuss. Introduction by Arthur C. Clarke.