Not since William Gibson and Bruce Sterling galvanized science fiction in the 1980s has the emergence of a new writer been heralded with such acclaim as that attending David Marusek, whose brilliant first novel, Counting Heads, appeared to rave reviews in 2005. But Marusek did not come out of nowhere. Aficionados of the genre had already taken note of his groundbreaking short fiction: masterfully written, profoundly thought-out examinations...