The Ekumen: old music and the slave women / Ursula K. Le Guin
The Forever war: a separate war / Joe Haldeman
The Ender series: investment counselor / Orson Scott Card
The Uplift universe: temptation / David Brin
Roma Eterna: getting to know the dragon / Robert Silverberg
The Hyperion cantos: orphans of the helix / Dan Simmons
The Sleepless: sleeping dogs / Nancy Kress
Tales of the Heechee: the boy who would live forever / Frederik Pohl
The Galactic center series: a hunger for the infinite / Gregory Benford
The ship who sang: the ship that returned / Anne McCaffrey
The Way: the way of all ghosts / Greg Bear.
