Gideon's Sword

At twelve, Gideon Crew witnessed his father, a world-class mathematician, accused of treason and gunned down. At twenty-four, summoned to his dying mother's bedside, Gideon learned the truth: his father was framed and deliberately slaughtered. With her last breath, she begged her son to avenge him.
Now, with a new purpose in his life, Gideon crafts a one-time mission of vengeance, aimed at the perpetrator of his father's destruction. His plan is meticulous, spectacular, and successful.
But from the shadows, someone is watching. A very powerful someone, who is impressed by Gideon's special skills. Someone who has need of just such a renegade. For Gideon, this operation may be only the beginning . . .