Of the 10 nominees for the next Prometheus Hall of Fame for Best Classic Fiction, the two most recently published are novels – one a historical fantasy set at the dawn of civilization, and the other, a work of futuristic science fiction set among interstellar colonies.
Between the Rivers, by Harry Turtledove, was published in 1998 by TOR Books.
Singularity Sky, by Charles Stross, was published in 2003 by Ace Books.
Both authors are Prometheus Award winners for Best Novel, with Stross winning in 2007 for Glasshouse and Turtledove winning in 2008 for The Gladiator.