Opus No. Title Date Setting Publication typesort ascending I.U.C. Notes
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
Thraxisp: A Memoir October, 1991 The Ghetto Non-Fiction Essay on Joel Hagen's world-building project
183 Lost Ideas, The October, 1991 N/A Non-Fiction Like the title says
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
185 Adrienne and Irish Coffee October, 1991 The Ghetto Non-Fiction Like the title says
187 Trantorcon Report October, 1991 The Ghetto Non-Fiction Guide to the ultimate Sci-fi convention in 23,309. A version of this appeared in APA-L #500, Dec. 11, 1974, and later reprinted in a fanzine by Marty Cantor called No Award, with cartoons by William Rotsler and others.
188 Comics October, 1991 N/A Non-Fiction Essay on Niven's relationship with comics and the comics industry
189 From the Green Lantern Bible October, 1991 N/A Non-Fiction Excerpts from the Green Lantern "Bible" Niven worked up for DC Comics. Some of the results of this effort can be seen in Green Lantern: Ganthet's Tale
Works in Progress October, 1991 N/A Non-Fiction Discussion of works in progress as of the publication of Playgrounds of the Mind  
Where Next, Columbus? January, 1992 N/A Non-Fiction Collaboration, co-written with Jerry Pournelle
Regulating the Body Business March, 1996 N/A Non-Fiction Discussion of organlegging, a sci-fi crime gone real-world.
Catfish and Red Meat Flavoring October, 1996 Non-Fiction more recipes
Timeline for Known Space November, 1996 Known Space: About Non-Fiction Updated from the version that originally appeared in Tales of Known Space
Afterthoughts November, 1996 N/A Non-Fiction Like the title says: Afterthoughts on the growth of Known Space, looking back 30 years later.

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