Book excerpt: The year's best science fiction and fantasy in one essential volume. An annual commemoration, the Nebula Awards are presented by the Science Fiction and Fantasy Writers of America to those members whose imaginations refine and re-define the infinite storytelling possibilities found within the genre. The Nebula Awards Showcase represents the best of the best in fantasy in one indispensible collection. This year's compilation includes stories by: ?Ursula K. LeGuin ?Catherine Asaro ?John Kessel ?Nina Kiriki Hoffman ?Harry Harrison, this year's Grandmaster