Opus No.sort ascending Title Date Setting Publication type I.U.C. Notes
50 Fourth Profession, The August, 1972 Léshy Short Story Monks and bartenders
49 There's a Wolf in My Time Machine June, 1971 Svetz Short Story s. 4 Svetz meets a new pet
48 No Exit June, 1971 Stand Alone Short Story Collaboration, co-written with Hank Stine (who has since become Jean Marie Stine--the e-Book edition lists Jean Marie Stine as Niven's co-author).
47 Leviathan! August, 1970 Sveltz Short Story s. 2 Svetz meets Moby Dick
46 Unfinished Story December, 1969 Magic Universe: Warlock Short Story W. 02 A Short short story, later renamed "Unfinished Story #1."
45 Bird in the Hand October, 1970 Sveltz Short Story s. 3 Svetz, cars and Rocs. Niven's published bibliographies mistakenly list the publication year as 1969, not 1970.
44 Misspelled Magician, The May, 1970 Stand Alone Short Story Collaboration, co-written with David Gerrold, a.k.a. "The Misspelled Magishun" expanded as Flying Sorcerers, The
43 Get a Horse! October, 1969 Svetz Short Story s. 1 First Svetz story, renamed "Flight of the Horse."
42 Passerby December, 1969 N/A Short Story Léshy Circuit
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.
40 Shape of Space, The January, 1969 N/A Collection Early Niven Collection, later combined into Convergent Series. Contents: At the Bottom of a Hole Bordered in Black Deadlier Weapon, The Dry Run How the Heroes Die Like Banquo's Ghost Long Night, The Meddler, The One Face Organleggers, The Safe at Any Speed Warriors, The
39 Not Long Before the End April, 1969 Magic Universe: Warlock Short Story W. 01 First Warlock story  
38 Exercise in Speculation: The Theory and Practice of Teleportation March, 1969 Non-Fiction Discussion of teleportation as personal transportation and even as an interstellar drive.
37 Organleggers, The January, 1969 Known Space: Gil Hamilton Short Story K.S. 10 (2123) First Gil Hamilton story, featuring Luke Garner as Gil's boss. A.k.a. "Death By Ecstasy"
36 All the Myriad Ways October, 1968 Time Travel/Parallel Universe Short Story Niven's take on divergent timelines
35 Meddler, The October, 1968 Stand Alone Short Story A science-fiction noir crime mash-up
34 Gift from Earth, A September, 1968 Known Space Novel K.S. 21 (2410) Detailed description of Mt. Lookatthat and Matt Keller's psychic power: "Plateau Eyes"
33 Like Banquo's Ghost August, 1968 Stand Alone Short Story stand-alone
32 For a Foggy Night July, 1968 Stand Alone Short Story stand-alone
31 Wait it Out July, 1968 Known Space Short Story K.S. 03 (1989) Harlan Ellison called this a "new wave" story.

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