The death of an independent asteroid miner would be no unusual news to the Martian colony. Asteroid mining was gambling for high stakes with your life in jeopardy.

But when Roger Hunter’s mangled body was found in the exploded wreck of his scout ship, his two sons found reason to suspect murder, and the possibility of a discovery that could alter space history.

And certain space pirates soon found they had to cope with a ghost that belonged in the past—and a weapon that belonged in the future.