Opus No. Titlesort descending Date Setting Publication type I.U.C. Notes
18 Flatlander March, 1967 Known Space Short Story K.S. 25 (2646) First appearance of Outsiders
Flatlander June, 1995 Known Space: Gil Hamilton Collection Gil Hamilton omnibus. Contents: Organleggers, The Defenseless Dead, The Patchwork Girl, The Woman in Del Rey Crater, The Afterword: Science/Mystery Fiction ARM
Fleet of Worlds October, 2007 Known Spac Novel Collaboration with Ed Lerner set on the Puppeteer Fleet of Worlds
64 Flight of the Horse, The September, 1973 Svetz Collection Contents: Get a Horse! Bird in the Hand Leviathan! There's a Wolf in My Time Machine Death in a Cage What Good is a Glass Dagger? Flash Crowd Afterword
Fly-By-Night October, 2000 Known Space: Man-Kzin Wars Novella K.S. 32 (2660) Beowulf is hijacked in flight
53 Flying Sorcerers, The August, 1971 Stand Alone Novel Collaboration, co-written with David Gerrold, expanded version of Misspelled Magician, The  
Food Story for the Con Jose Program Book September, 2003 N/A Essay Niven talk about the effects of quitting smoking, on his taste buds and on his writing.
155 Footfall May, 1985 Stand Alone Novel Collaboration, co-written with Jerry Pournelle
32 For a Foggy Night July, 1968 Stand Alone Short Story stand-alone
Foreword to The Guide to Larry Niven's Ringworld February, 1994 Known Space: About Introduction A brief discussion of the Ringworld and how it's been re-engineered by fans, both professional and amateur, over the years.
Foreword to Wolff & Byrd, Counselors of the Macabre: Fright Court January, 1995 N/A Introduction Following the 2002 San Diego Comic-Con, Niven wrote "I met Batton Lash at last. He's Wolff and Byrd, Attorneys for the Macabre. I wrote an introduction for his second coffee-table book." Turns out the book in question was published in 1995!—Ed.
Foreword: Playgrounds for the Mind August, 1990 N/A Non-Fiction Introduction to N-Space
50 Fourth Profession, The August, 1972 Léshy Short Story Monks and bartenders
Free Floaters August, 2002 Walker & Keenan Novella Collaboration, co-written with Brenda Cooper. Sequel to Ice and Mirrors
119 From Macrostructures Engineering: Progress Report January, 1980 N/A Non-Fiction Read It Here! An essay about fandom's reaction to Ringworld, and writing The Ringworld Engineers.
189 From the Green Lantern Bible October, 1991 N/A Non-Fiction Excerpts from the Green Lantern "Bible" Niven worked up for DC Comics. Some of the results of this effort can be seen in Green Lantern: Ganthet's Tale
117 Future Histories January, 1979 N/A Non-Fiction Special SFWA issue on future histories
83 Galaxy Stars: Jerry Pournelle July, 1975 Non-Fiction: The Ghetto Non-Fiction Bio of Jerry Pournelle, with whom Niven had recently published The Mote in God's Eye and Inferno and was hard at work on Lucifer's Hammer.
Gates (Variations) July, 2010 Stand Alone Short Story Appears in Gateways, an anthology tribute to Fred Pohl.
Gatherer's Guild, The February, 2007 Stand Alone Short Story Michael Jones of SFsite.com writes "Larry Niven turns his attention towards the United States government, in 'The Gatherer's Guild.' Or rather, to the numerous secretive departments of the IRS, who possess technology and privileges beyond imagining."

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