Shafts of Kudos

Episode 2 in the Adamanta series The mining shafts on Kudos have been producing increasingly smaller quantities of the mind-controllable Adamanta, but when you're fighting an unbeatable enemy you have to use every advantage you can. Colonel Xander and his crew are there to secure as much of it as possible for the human military force. When an explosion traps three of the crew in the mine, the race is on to save them as well as ascertain whether the small operation is under attack from the formidable Beltine. But nothing is quite as it seems and Xander's crew find themselves in the firing line. Who would want Xander and his crew dead? And what deadly secrets does the mine harbor?