A Time of Changes
Robert Silverberg
Up the Line
Thorns
Lord Valentine's Castle
Majipoor (1)
The Ragged Astronauts
Bob Shaw
The Ragged Astronauts / Land and Overland (1)
The Witches of Karres
James H. Schmitz
Karres (1)
Old Man's War
John Scalzi
Old Man's War (1)
The Last Colony
Old Man's War (3)
Zoe's Tale
Old Man's War (4)
Rollback
Robert J. Sawyer
Calculating God
The Terminal Experiment
Starplex
Frameshift
Factoring Humanity
Hominids
Neanderthal Parallax (1)
Humans
Neanderthal Parallax (2)