Omens of Kregen
Kenneth Bulmer
Dray Prescot (36)
Omega Sol
Scott Mackay
The Omega Rebellion: In the World of Keith Laumer's Star Colony
Troy Denning
Combat Command (3)
Omega Games
S. L. Viehl
Stardoc (8)
The Omega Game
S. Andrew Swann
The Omega Expedition
Brian Stableford
emortality (6)
The Omega Egg
Mike Resnick & Robert Sheckley & David Gerrold & James Patrick Kelly & Nancy Kress & Jane Yolen & Pat Cadigan & Brian Herbert & Stephen Leigh & Jody Lynn Nye & Kristine Kathryn Rusch & Bill Fawcett & Michael A. Burstein & Dean Wesley Smith & Kay Kenyon & Laura Resnick & Tobias S. Buckell
The Omega Cage
Steve Perry & Michael Reaves
Matador (4)
Omega
Stewart Farrar
Jack McDevitt
Priscilla (Hutch) Hutchins (4)
Ombria in Shadow
Patricia A. McKillip
Olympos
Dan Simmons
Ilium (2)
Olga Romanoff, or, The Syren of the Skies
George Griffith
Angel of the Revolution (2)
Old Wounds
Christie Golden
Spirit Walk (1)
The Old Willis Place: A Ghost Story
Mary Downing Hahn
Old Twentieth
Joe Haldeman
Old Tin Sorrows
Glen Cook
Garrett, P. I. (4)
Old Soldiers
David Weber
Bolo (1)
The Old Men at the Zoo
Angus Wilson