Mercury — Ben Bova

The planet closest to our Sun, Mercury is a rocky, barren, heat-scorched world. But there are those who hope to find wealth in its desolation.

Saito Yamagata thinks Mercury's position makes it an ideal place to generate power to propel starships into deep space. Astrobiologist Victor Molina thinks the water at Mercury's poles may harbor evidence of life. Bishop Elliot Danvers has been sent by the Earth-based "New Morality" to keep close tabs on Molina.

But all three of these men are blissfully unaware of their shared history, and of how it connects to the collapse of Mance Bracknell's geosynchronous space elevator a generation ago. Now they're about to find out, because Mance is determined to have his revenge…