In this corner, weighing in at eighty-five kilos, Benjamin Prester! He brings to the fight a deep certainty about the importance of his work, a strong sense of ethics, and the ineradicable concern that Mars is more dangerous than anyone imagines.

In the opposite corner is the group mind known as Mars, weighing in at 640 billion trillion kilograms. It brings to the fight incredible cosmic power and the fact that Benjamin is standing on Mars with no way to get off.

(You have to wonder how Mars learned never to ask questions you don't want answered...)