Foreigner
C. J. Cherryh
First Foreigner Sequence (1)
The Forbidden Tower
Marion Zimmer Bradley
Darkover (11)
A for Anything
Damon Knight
The Folk Keeper
Franny Billingsley
Flight to Opar
Philip José Farmer
Tarzan's Africa / Opar / Khokarsa (2)
Flight of Exiles
Ben Bova
Exiles (Ben Bova) (2)
Fliers of Antares
Kenneth Bulmer
Dray Prescot (8)
Flatland
Edwin A. Abbott
Five Hundred Years After
Steven Brust
Khaavren Romances (2)
First to Fight
David Sherman & Dan Cragg
Starfist (1)
First Power Play
John Miller
The Inner Planets Trilogy (1)
First Lensman
Edward E. Smith
Lensman (2)
First King of Shannara
Terry Brooks
A Shannara Trilogy Prequel (0)
Fireflood and Other Stories
Vonda N. McIntyre
A Fire Upon the Deep
Vernor Vinge
Zones of Thought (1)
A Fighting Man of Mars
Edgar Rice Burroughs
Barsoom (7)
The X-Files: Fight the Future
Chris Carter & Elizabeth Hand
The X-Files (1)
The Female Man
Joanna Russ
Feathered Dragon
Douglas Niles
Forgotten Realms: The Maztica Trilogy (3)