Try before you buy!
Here are the first chapters of my Gryphon Clerks novels. You also get free access to some of my short fiction when you join my mailing list.
So is "Axe Stone, Dwarf Detective," which was published in an anthology that's now unavailable.
WeaverGrace published a little ghost story of mine, Family Ghosts, which is as close as I've come to horror (probably as close as I'll ever come, and I approach it from a long way off and at a funny angle).
I sometimes participate in Saturday Scenes on Google+, and tag all of my scenes #mrmsamples. You can see them here.