Of Shadows and Dragons
B.V. Larson
Galaxy in Flames
Ben Counter
The Horus Heresy (3)
Wizard of Rentoro
Jeffrey Lord
Richard Blade (28)
Measure of a Hero
Blaine Lee Pardoe
BattleTech: Archer's Avengers (1)
Offensive
John Walker
Rise of Mankind (9)
Ogień nad otchłanią
Vernor Vinge
Zones of Thought (1)
Old Man's War
John Scalzi
Old Man's War (1)
Olympus
Ivan Kal
Rise of the Empire (1)
Omen
Christie Golden
Star Wars: Fate of the Jedi (2)
On Basilisk Station
David Weber
Honorverse (1)
On the Steel Breeze
Alastair Reynolds
Poseidon's Children (2)
Once a Hero
Elizabeth Moon
The Serrano Legacy (4)
Once Burned: The Captain's Table #5
Peter David
Star Trek: The Captain's Table (5)
One Against the Legion
Jack Williamson
Legion of Space (3)
The One-Eyed Man
L.E. Modesitt Jr.
Only in Death
Dan Abnett
Gaunt's Ghosts (11)
Onslaught
Rise of the Empire (6)
Open and Shut
Prefect Dreyfus Emergency (1.50)
Operation Liberty
J.N. Chaney
The Last Hunter (10)
Orbus
Neal Asher
Spatterjay (3)
Orders of Battle
Marko Kloos
Frontlines (7)
Orion Awakened
The Renegade Star Universe (3)
Orion Fleet
Orion Protected
Orion Colony (4)
Orion Rises
G.J. Ogden
Star Scavengers (2)
Orphan Star
Alan Dean Foster
Pip & Flinx (3)
Orphans of the Sky
Robert A. Heinlein
Future History or "Heinlein Timeline" (23)
Out of the Ashes
Rise of the Empire (3)
Outbound Flight
Timothy Zahn
Star Wars Legends: Novels (1)
Outcast
Aaron Allston
Star Wars: Fate of the Jedi (1)
The Outcast Dead
Graham McNeill
The Horus Heresy - Black Library recommended reading order (17)
The Outpost
Mike Resnick
Birthright (26)
The Palace of Love
Jack Vance
Demon Princes (3)
Pallas
L. Neil Smith
Ngu Family Saga (1)
Pandora's Star
Peter F. Hamilton
Commonwealth Saga (1)
The Paradise Snare
A.C. Crispin
Star Wars: The Han Solo Trilogy (1)
Pariah
Bequin (1)
PartnerShip
Anne McCaffrey
Brainship (2)
Partnership
Passage at Arms
Glen Cook
Starfishers (4)
The Path of the Fury
Furies (2)
Path of Tyrants
Backyard Starship (13)
Patrimony
Pip & Flinx (13)
Patterns of Force
Michael Reaves
Star Wars: Coruscant Nights (3)
Paul Of Dune
Brian Herbert
Heroes of Dune (1)
Pawn
The Sibyl's War (1)
Pawn: A Chronicle of the Sibyl's War
Peace and War
Joe Haldeman
The Forever War (1)
A Peace Divided
Tanya Huff
Peacekeeper (2)
Peacemaker Wars: A Backyard Starship Series
Peacemaker Wars (1)
Pegasus in Flight
The Talent (2)
Perilous Shield
Jack Campbell
The Lost Stars (2)
Persepolis Rising
James S.A. Corey
The Expanse (7)
The Photonic Effect
Mike Chen
A Phule and His Money
Robert Lynn Asprin
Phule's Company (3)
Phule Me Twice
Phule's Company (4)
Phule's Company
Phule's Company (1)
Phule's Paradise
Phule's Company (2)
Phylogenesis
Founding of the Commonwealth (1)