Titans

Rob Dunbar is the world's best history professor. And with good reason: he's been alive for three thousand years, keeping his existence a secret since before the days of Athens.

But a stranger named Baxter has a better use for Rob's vast expertise. Baxter's looking to found a mining company in the Asteroid Belt. In exchange for Rob's help, he'll try to unravel the mystery of Rob's origin.

As they're getting their outfit off the ground, they come under covert attack by HemiCo, a powerful Mars-...