Opus No. Titlesort descending Date Setting Publication type I.U.C. Notes
70 Hole Man, The January, 1974 Stand Alone Short Story Quantum Black Hole as a murder weapon
Hooking the Reader August, 2010 The Ghetto Essay Niven writes briefly on how he has grown as a writer over the years. "I think I'm getting better at this," he winks.
170 Horror Stories for Bright People February, 1988 N/A Review Review of Greg Benford's In the Ocean of Night, Across the Sea of Suns, and Great Sky River
How I Stole the Belt Civilization January, 1982 N/A Non-Fiction A brief memoir about Randall Garrett and his writing, and how it influenced Known Space.
11 How the Heroes Die October, 1966 Known Space Short Story K.S. 05 (2040) Murder on Mars, and Martians
How to Save Civilization and Make a Little Money April, 2000 N/A Non-Fiction Non-fiction for Space.com, has almost nothing to do with the report presented by the Citizens Advisory Council for a National Space Policy.  
Hugo Award Anecdotes January, 2003 N/A Non-Fiction for use at the Hugo ceremonies, 1996
Hunting Park, The October, 2005 Known Space: Man-Kzin Wars Short Story A team of Kzinti study humanity's origins by touring an African hunting park under the guise of a group of tourists on safari.
Ice and Mirrors February, 2001 Walker & Keenan Short Story Collaboration, co-written with Brenda Cooper
Ice and Mirrors Papers, The January, 2003 N/A Non-Fiction E-mail discussion with Brenda Cooper tracing the process of their collaboration Ice and Mirrors  
147 If Idi Amin Had Had The Bomb December, 1984 Short Story essay on modern warfare
148 In Memoriam: Howard Grote Littlemead December, 1984 Motie Poem A poem
115 In the Cellar February, 1979 Stand Alone Short Story Read It Here! short "hard-boiled" sci-fi
55 Inconstant Moon June, 1971 Stand Alone Short Story Made into an episode of "Outer Limits," mid 1990s
60 Inconstant Moon January, 1973 N/A Collection Sphere edition does not contain "The Long Night" (as "Convergent Series"), "The Deadlier Weapon", "Wait it Out", "Not Long Before the End" and "Passerby" however, the Gollancz edition does. contents: At the Bottom of a Hole Becalmed in Hell Bordered in Black How the Hero's Die Inconstant Moon One Face Organleggers, The Deadler Weapon, The Long Night, The Not Long Before the End Passerby Wait it Out
Inconstant Moon Has Passed August, 2010 N/A Essay Hiking by the light of the brightest full moon in centuries reminds Niven of his award-winning short story Inconstant Moon  
82 Inferno August, 1975 Inferno Novel Collaboration, co-written with Jerry Pournelle.  Retelling of Dante's Inferno.
140 Integral Trees, The October, 1983 The State: The Smoke Ring Novel first Smoke Ring novel. See the sequel, Smoke Ring, The
Integral Trees, The (Omnibus) August, 2003 The State: The Smoke Ring Short Story Omnibus of two novels: Integral Trees, The Smoke Ring, The
Intercon Trip Report: August 12, 1991 November, 1993 The Ghetto Non-Fiction Like the title says

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