Opus No. Title Date Settingsort ascending Publication type I.U.C. Notes
22 Jigsaw Man, The August, 1967 Known Space Short Story K.S. 06 (2099) First organ transplant story, paving the way for the Gil Hamilton stories.
23 Handicapped, The December, 1967 Known Space Short Story K.S. 26 (2647) Grogs, a.k.a. "Handicap"
24 Slowboat Cargo February, 1968 Known Space Short Story A Gift from Earth serialization
25 Deceivers, The April, 1968 Known Space Short Story K.S. 09 (2113) a.k.a. "Intent to Deceive"
27 Grendel April, 1968 Known Space Short Story K.S. 27 (2648) At one point, Emil is referred to as "Jilson," a name from Handicapped, The  
30 There is a Tide June, 1968 Known Space Short Story K.S. 34 (2830) First appearance of Louis Wu and his "sabbaticals," as well as Trinocs.
31 Wait it Out July, 1968 Known Space Short Story K.S. 03 (1989) Harlan Ellison called this a "new wave" story.
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"
90 Down in Flames January, 1969 Known Space Non-Fiction Read It Here! Destruction of Known Space, inspired by a conversation with Norman Spinrad. Never written beyond the outline phase.  Niven started writing Ringworld shortly after instead. Though this saw print in 1969, it appears much further down the list in Niven's published bibliographies.
61 Cloak of Anarchy March, 1972 Known Space Short Story K.S. 16 (2135) Read It Here! The story that led to a duel see Convention Stories
63 Protector September, 1973 Known Space Novel K.S. 17 (2124 - 2341) Brand-new assumption introduced to Known Space: humanity is descended from the Pak. The novel 's second section is called "Vandervecken," and takes place in 2340. The first part is Adults, The
80 Borderland of Sol, The January, 1975 Known Space Short Story K.S. 28 (2650) Quantum Black Hole as a murder weapon
Procrustes November, 1993 Known Space Novella K.S. 29 (2654) Beowulf loses his head, but takes it surprisingly well
Color of Sunfire, The November, 1993 Known Space Short Story K.S. 33 (2686) Read It Here! Mention of an alien race called the Pleione description of Silvereyes (Beta Hydri I) description of the Puppeteer homeworld. We finally catch up to Richard Harvey Shultz-Mann, forty years after Relic of the Empire, A
Ghost April, 1994 Known Space Short Story K.S. 30 (2656) Beowulf Shaeffer 8-part Crashlander framing story
Juggler of Worlds September, 2008 Known Space Novel collaboration with Ed Lerner set in Known Space and on the Puppeteer Fleet of Worlds A sequel to Fleet of Worlds
Destroyer of Worlds November, 2009 Known Space Novel Collaboration with Ed Lerner Sequel to Fleet of Worlds and Juggler of Worlds.
Betrayer of Worlds October, 2010 Known Space Novel Newest collaboration with Ed Lerner
Fleet of Worlds October, 2007 Known Spac Novel Collaboration with Ed Lerner set on the Puppeteer Fleet of Worlds
82 Inferno August, 1975 Inferno Novel Collaboration, co-written with Jerry Pournelle.  Retelling of Dante's Inferno.

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