Nope, not by me, yet… but a novelette by James Enge. Since I’ve not got around to reading any of his, the free intro book sounds like a plan to me – all in celebration of Pyr’s 100th title, of which I wrote a couple of course!
Link’s here if anyone’s interested – http://pyrsf.blogspot.com/2010/12/free-epub-novelette-celebrates.html