<p> Who knows what awaits us tomorrow? </p> <p> Much of the most innovative and exhilarating work performed in the boundary-less arena of SF is being done in the short form. This year's magnificent harvest?gathered, as always, by acclaimed award-winning editors and anthologists David G. Hartwell and Kathryn Cramer?offers glimpses of worlds and tomorrows that would have been inconceivable just a few years ago. Brilliant, bold, unusual, and soaring flights into the hitherto unforeseen yet increasingly possible future, <i>Year's Best SF 15</i> offers truly breathtaking stories by some of speculative fiction's brightest lights, including: </p> <p> Stephen Baxter ? Nancy Kress ? Alastair Reynolds ? Geoff Ryman ? Bruce Sterling ? Peter Watts ? Robert Charles Wilson ? Gene Wolfe ? and others </p>