Explorations
Poul Anderson
The Best Military Science Fiction of the 20th Century
Harry Turtledove
Up in a Heaval
Piers Anthony
Xanth (26)
The Bone Way
Holly J. Underhill
In Endless Twilight
L. E. Modesitt, Jr.
Forever Hero (3)
The Silent Warrior
Forever Hero (2)
Dawn for a Distant Earth
Forever Hero (1)