Opus No. Title Date Setting Publication typesort descending I.U.C. Notes
144 Convention Stories December, 1984 The Ghetto Non-Fiction Like the title says
149 Why Men Fight Wars and What You Can Do About It December, 1984 Non-Fiction essay on modern warfare
150 Collaborations December, 1984 The Ghetto Non-Fiction essay on collaboration
Five Years to Infinity December, 1984 N/A Non-Fiction essay on possible futures
Second Thoughts June, 1985 N/A Non-Fiction Follow-up notes by various participants in the Medea: Harlan's World world-building seminar. Other contributors include Poul Anderson, Hal Clement, Thomas M. Disch & Frederik Pohl
Biology, Ecology, Xenology June, 1985 N/A Non-Fiction Part of the writers' guide for the Medea: Harlan's World world-building seminar.
157 Tell Me A Story January, 1986 N/A Non-Fiction Advice for writers
Memoir September, 1986 Non-Fiction Niven describes his relationship with the editor of If, Frederik Pohl, and the writing of the award-winning Neutron Star
173 Alien in our Minds, The January, 1987 N/A Non-Fiction ssay on communication
Bulletin Symposium: What Should Science Fiction Be? January, 1987 N/A Non-Fiction
Bulletin Symposium: The Worst Mistake You Ever Made January, 1989 N/A Non-Fiction Article about why Niven considers "The Ethics of Madness" a failed story.
Ringworld Retrospective April, 1989 N/A Non-Fiction Like the title says. A look back at the impact of Ringworld.
Blind Alleys April, 1990 N/A Non-Fiction Article about "a handful of mistakes" that writers have made, which "stupid people would never think of."
Dramatis Personae August, 1990 N/A Non-Fiction Who's Who in Niven's career
Foreword: Playgrounds for the Mind August, 1990 N/A Non-Fiction Introduction to N-Space
Blowing Smoke August, 1990 N/A Non-Fiction A description and discussion of the Smoke Ring's origins, parameters and environment.
191 Space August, 1990 N/A Non-Fiction essay on the Citizens Advisory Council for a National Space Policy. Includes some text from their report, "How to Save Civilization and Make a Little Money," not to be confused with the essay in Scatterbrain of the same name.
Tabletop Fusion November, 1993 N/A Non-Fiction Article about tabletop fusion
Intercon Trip Report: August 12, 1991 November, 1993 The Ghetto Non-Fiction Like the title says
Bibliography November, 1993 N/A Non-Fiction This is the most recent source of the "opus numbers" found in this database. It's an updated version of the bibliography found in N-Space

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