China Miéville, Michael Moorcock, Paul Di Filippo, and Geoff Ryman: These award winners are on any list of the most inventive, popular, and critically acclaimed talents writing in the realms of fantasy and science fiction today. Their four original creations for this collection range from surreal visions of the infinite to high-tech nightmare; from apocalyptic ruins stalked by heroes and vampires to a near future where the aged terrorize the young.