Let the Spacemen Beware
Poul Anderson
The Case Of The Night Mark
Arizona Tape
Samantha Rain Mysteries (1)
Secret of the Sixth Magic
Lyndon Hardy
Arcadia Sequence (2)
Cadmian's Choice
L. E. Modesitt, Jr.
Corean Chronicles (5)
Polaris
Jack McDevitt
Alex Benedict (2)
Portal
Eric Flint & Ryk E. Spoor
Boundary (3)
Power Lines
Anne McCaffrey
Petaybee (2)
The Power of Illusion
Christopher Anvil
Power Play
Petaybee (3)
Prevail (The Pike Chronicles Book 2)
G. P. Hudson
The Pike Chronicles (2)
A Princess Who Defied Kings
J. Kirsch
The Privateer
James Doohan & S. M. Stirling
Flight Engineer (2)
Proteus in the Underworld
Charles Sheffield
Proteus (3)
Puppet Master
John Dalmas
Purge of Prometheus
Jon Messenger
Brink of Distinction (3)
Quofum
Alan Dean Foster
Humanx Commonwealth (8)
The Radical Factor (Stone Blade Book 3)
James Matt Cox
Stone Blade (3)
Ranks of Bronze
David Drake
The Reality Dysfunction
Peter F. Hamilton
The Night's Dawn (1)
Red Star Rising
Dragonriders of Pern (14)
Red Thunder
John Varley
Red Thunder (1)
Redliners
The Reformer
S. M. Stirling & David Drake
General (7)
Remo
Thomas A. Mays
The Renegades of Pern (Pern (Chronological Order))
The Renegades of Pern
Dragonriders of Pern (10)
Retief!
Keith Laumer & Eric Flint
Retief (1)
Retief: The Yillian Way
Keith Laumer
The Return of the Emperor
Chris Bunch & Allan Cole
The Sten Chronicles (6)
Return of the High Fae: A Vegas Fae Story
Tom Keller
Vegas Fae (1)
Reunion
Pip and Flinx Adventure (7)
Revenge of the Damned
The Sten Chronicles (5)
Rich Man's War
Elliott Kay
Poor Man's Fight (2)
Ride the Rising Tide
Peter Grant
Maxwell Saga (2)
Ring of Fire
Eric Flint & Mercedes Lackey & David Weber & Dave Freer & Andrew Dennis & Virginia Easley Demarce & Loren Jones & S. L. Viehl & Annette Pedersen & Greg Donahue
Assiti Shards (3)
Ripping Time
Robert Asprin & Linda Evans
Time Scout (3)
The Rising
Flight Engineer (1)
The Road of Danger
RCN (9)
Robot Adept
Piers Anthony
Apprentice Adept (5)
Rogue Squadron
Michael A. Stackpole
X-Wing (1)
Ronin (The Pike Chronicles Book 3)
The Pike Chronicles (3)
Root of Unity (Russell's Attic Book 3)
SL Huang
Russell's Attic (3)
Ruin
Star Wars: The New Jedi Order (3)
Running From the Deity
Pip and Flinx Adventure (10)
The Sacred Pool
L. Warren Douglas
Veil of Years (1)
Sagramanda
Sassinak
Planet Pirates (1)
Scholar
Imager Portfolio (4)
The Scofflaw Magician
Honor Raconteur
The Artifactor (3)
Scuzzworms
Ella Mack
Seas of Venus
Seeker
Alex Benedict (3)
Serpent Mage
Margaret Weis & Tracy Hickman
The Death Gate Cycle (4)
The Serpent's Path (A Wolfe's War Book 1)
JW French
A Wolfe's War (1)
Serpent's Reach
C. J. Cherryh
Company Wars (13)
The Service of the Sword: Worlds of Honor 4
David Weber
Seven for a Secret
Elizabeth Bear
New Amsterdam (2)
The Seventh Gate
The Death Gate Cycle (7)
Sexbot
Patrick Quinlan
Shadow Born
Jamie Sedgwick
The Shadow Girl
Ray Cummings
The Shadow of Saganami
Shadows (Ultrahumans Book 2)
Niall Teasdale
Ultrahumans (2)
Shadows of Humanity
J. Armand
The Immortal Coil (2)