Don't be put off if sci-fi isn't your thing. The bulk of the book has more of a fantasy/historical feel to it. It's actually three interlinked novellas with all the hard sci-fi thinking at the end of number three.
Beeswing was in the room with him. His dead wife, here with him on this terrible planet. She was looking in at the door. Her hand, pale as life, was on the wooden doorjamb, and her beautiful, fragile face was peering round it at him. There was a question in her eyes. The vision was so vivid that Polystom's heartbeat deepened and sped. He pulled himself upright, his pistol in his left hand.