Opus No. Titlesort ascending Date Setting Publication type I.U.C. Notes
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.
Free Floaters August, 2002 Walker & Keenan Novella Collaboration, co-written with Brenda Cooper. Sequel to Ice and Mirrors
50 Fourth Profession, The August, 1972 Léshy Short Story Monks and bartenders
Foreword: Playgrounds for the Mind August, 1990 N/A Non-Fiction Introduction to N-Space
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 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.
32 For a Foggy Night July, 1968 Stand Alone Short Story stand-alone
155 Footfall May, 1985 Stand Alone Novel Collaboration, co-written with Jerry Pournelle
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.
53 Flying Sorcerers, The August, 1971 Stand Alone Novel Collaboration, co-written with David Gerrold, expanded version of Misspelled Magician, The  
Fly-By-Night October, 2000 Known Space: Man-Kzin Wars Novella K.S. 32 (2660) Beowulf is hijacked in flight
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
Fleet of Worlds October, 2007 Known Spac Novel Collaboration with Ed Lerner set on the Puppeteer Fleet of Worlds
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
59 Flash Crowd January, 1973 Flash Crowd/Teleportation Short Story This story introduced "flash crowds," instant mobs that are a by-product of cheap, worldwide teleportation technology. Niven wrote several sequels to this story, further addressing the various issues posed by instantaneous travel (and suggesting interesting solutions). Jansen is spelled "Jensen" in the Flight of the Horse printing. This story was recently expanded and re-published as Red Tide
Flare Weed, The April, 2011 Draco Tavern Short Story A customer at the Draco Tavern tells a story of a life form with a very intermittent lifestyle and specialized environmental needs, leading Rick Schumann to wonder about Earth's future.
106 Flare Time January, 1977 Léshy Short Story Takes place on Medea: Harlan's World
Five Years to Infinity December, 1984 N/A Non-Fiction essay on possible futures
Finding Myself June, 2002 Christa Anthology Collaboration, co-written with Brenda Cooper. Sequel to Choosing Life

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