The last time I was in contact with Hypatia, admittedly a long time ago, she said that Kingdom had just gotten too real for her after 9/11 and she was just dropping it, she may have changed her mind since then I just don't know. I've not seen anything new from her or been in touch for a few years now. I had been hoping for a sequel to her wonderful tale, 'Fistful of Dragons', but that's highly doubtful also.

This year. So she's around somwhere "out there".
And yes, unfinished stories are just to disturbing. You are left to wonder, if something happened to author? Or author just lost interest? Or got tangled in real world problems? Or just painted her/himself into corner and can't invent believeable "machina" for "Deux ex"?
Some authors return after years and give us closure as recently happened with Captn Crunch and Christina Chase story. (And kudos, thanks, and lots of respect for finishing that story! (Even thou it was missing some 20 to 40 chapters in the middle ;-) ))