Opus No. Title Date Settingsort ascending Publication type I.U.C. Notes
Ice and Mirrors February, 2001 Walker & Keenan Short Story Collaboration, co-written with Brenda Cooper
Free Floaters August, 2002 Walker & Keenan Novella Collaboration, co-written with Brenda Cooper. Sequel to Ice and Mirrors
36 All the Myriad Ways October, 1968 Time Travel/Parallel Universe Short Story Niven's take on divergent timelines
102 Rotating Cylinders and the Possibility of Global Causality Violation August, 1977 Time Travel/Parallel Universe Short Story Title stolen from a mathematics paper by Frank J. Tipler
176 Return of William Proxmire, The January, 1989 Time Travel/Parallel Universe Short Story Shown to Robert Heinlein a few weeks before his death
140 Integral Trees, The October, 1983 The State: The Smoke Ring Novel first Smoke Ring novel. See the sequel, Smoke Ring, The
158 Smoke Ring, The January, 1987 The State: The Smoke Ring Novel sequel to Integral Trees, The
Ghost Ships, The January, 1990 The State: The Smoke Ring Novel rejected sequel to The Smoke Ring... novel of strange supernova-born life-forms
190 Kiteman, The August, 1990 The State: The Smoke Ring Short Story short story set in the Smoke Ring
Integral Trees, The (Omnibus) August, 2003 The State: The Smoke Ring Short Story Omnibus of two novels: Integral Trees, The Smoke Ring, The
51 Rammer November, 1971 The State Short Story Chapter 1 of World Out Of Time, A
92 Down and Out February, 1976 The State Short Story Included in the novel World Out Of Time, A  
96 Children of the State September, 1976 The State Serial Serial that became A World Out Of Time, along with: Down and Out Rammer
95 World Out Of Time, A December, 1976 The Stat Novel "Fix-up" novel made up of: Rammer Children of the State Down and Out
144 Convention Stories December, 1984 The Ghetto Non-Fiction Like the title says
150 Collaborations December, 1984 The Ghetto Non-Fiction essay on collaboration
174 Criticism January, 1989 The Ghetto Short Story essay on critics and criticism
Intercon Trip Report: August 12, 1991 November, 1993 The Ghetto Non-Fiction Like the title says
Thraxisp: A Memoir October, 1991 The Ghetto Non-Fiction Essay on Joel Hagen's world-building project
184 Ghetto? But I Thought... October, 1991 The Ghetto Non-Fiction Essay on the "Science Fiction Ghetto." Includes the text of "Convention Stories" from Niven's Laws

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