Jame Rowe said:
I agree with FreeTrav on Drake's Republic of Cinnabar series.
Most of the others I would agree with if they're written by other authors; while I love the concepts of Cherryh's and Moon's novels, I tried them and couldn't get into them.
I never assume that the novel author will be more than a creative consultant in the preparation of worldbooks for gaming - the writing skills needed are of entirely different natures, and having the one does not imply having the other. I would want good RPG setting authors to do the actual gaming-side work - someone like Gareth Hanrahan, Martin J. Dougherty, Doug Berry, or the like - and leave Moon, Drake, Flint/Wentworth, Nivenpournelle, Lee/Miller, Cherryh, et alia in the role of ensuring that their vision of the universe is properly captured.