Opus No. Titlesort ascending Date Setting Publication type I.U.C. Notes
Mars: Who Needs It? March, 2000 N/A Non-Fiction non-fiction for Space.com
Many Many Worlds of Larry Niven, The September, 1975 Interview Interview by Alan Brennert, illustrated. Accompanying Howard Chaykin's adaptation of All the Myriad Ways
175 Man-Kzin Wars II August, 1989 Known Space: Man-Kzin Wars Anthology Anthology edited by Larry Niven and James Baen, with a new introduction by Niven
41 Man of Steel, Woman of Kleenex December, 1969 N/A Non-Fiction Read It Here! Entertaining speculation on Superman's sex life on Earth, including a discussion of how to preserve the Kryptonian race. Often quoted, but almost never illustrated, thanks to DC Comics' legal department.
Man in the Pink Shirt, The November, 2012 Svetz Short Story A light-hearted and very short story in the vein of Return of William Proxmire, The
Making Somebody Pay September, 2000 N/A Non-Fiction non-fiction for Space.com
127 Magic May Return, The January, 1981 Magic Universe Collection edited by Larry Niven. Contents: "Earthshade" by Fred Saberhagen "Manaspill" by Dean Ing "...But Fear Itself." by Steven Barnes "Strength" by Poul Anderson and Mildred Downey Broxon Introduction Not Long Before the End
94 Magic Goes Away, The January, 1976 Magic Universe: Warlock Short Story expanded into an illustrated novella, 1978.
107 Magic Goes Away, The October, 1978 Magic Universe: Warlock Novella W. 04 Last Warlock story expanded from Magic Goes Away, The Later expanded into an illustrated novella. The third and final tale of the Warlock as he attempts to restore the world's depleted supply of Mana
Magic Goes Away Collection, The February, 2005 Magic Universe: Warlock Collection Collecting three previous Warlock books, with a new introduction by the author: Magic May Return, The More Magic Magic Goes Away, The
177 Madness Has Its Place August, 1990 Known Space: Man-Kzin Wars Short Story K.S. 19 (2375-83) First Known Space story since The Ringworld Engineers in 1979.  Describes Sol's first response to the Kzin invasion
98 Lucifer's Hammer January, 1977 Stand Alone Novel Collaboration, co-written with Jerry Pournelle
183 Lost Ideas, The October, 1991 N/A Non-Fiction Like the title says
Lost January, 2006 Draco Tavern Short Story D.T. 24 Rick Schumann accepts an offer to take a quick joyride with an alien, unaware that Vanayn is a time-traveller with a hit-or-miss approach to navigation..
Losing Mars January, 2006 Draco Tavern Short Story D.T. 25 Rick Schumann faces the possiblity that aliens may claim Mars as their property, and there's nothing humanity can do about it.
17 Long Night, The March, 1967 Stand Alone Short Story a.k.a. "Convergent Series"
88 Long Arm of Gil Hamilton, The February, 1976 Known Space: Gil Hamilton Collection Collection info First collection of Gil Hamilton stories. Contents: Organleggers, The Defenseless Dead, The ARM Afterword: The Last Word about SF Detectives
Loki January, 2000 Stand Alone Short Story Story with no human characters
112 Locusts, The June, 1979 Stand Alone Short Story Collaboration, co-written with Steven Barnes
133 Lion in his Attic, The July, 1982 Magic Universe Short Story based on Niven's favorite restaurant

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