Hundreds of years in the future, after the collapse of the Western world, young Menelaus Illation Montrose grows up in what was once Texas as a gunslinging duelist for hire. But Montrose is also a mathematical genius--and a romantic who dreams of a future in which humanity rises from the ashes to take its place among the stars. The chance to help usher in that future comes when Montrose is recruited for a manned interstellar mission to investigate...