Opus No. Title Date Settingsort descending Publication type I.U.C. Notes
5 Becalmed in Hell July, 1965 Known Space Short Story K.S. 02 (1985) sequel to Coldest Place, The
6 Warriors, The February, 1966 Known Space Short Story K.S. 18 (2360) 1st Man-Kzin War story
7 Eye of an Octopus February, 1966 Known Space Short Story K.S. 04 (1996) Discovery of Martians
10 World of Ptavvs June, 1966 Known Space Novel K.S. 07 (2106) This was Larry's first published full length novel.  A shorter version of this story appeared in Worlds of Tomorrow, March 1965 (#3).
11 How the Heroes Die October, 1966 Known Space Short Story K.S. 05 (2040) Murder on Mars, and Martians
12 Neutron Star October, 1966 Known Space Short Story K.S. 22 (2644) First Beowulf Shaeffer story and the first story set in the hyperdrive era of Known Space.
13 At the Core November, 1966 Known Space Short Story K.S. 24 (2646) Beowulf discovers the core of the galaxy is exploding. First appearance of Long Sho
14 At the Bottom of a Hole November, 1966 Known Space Short Story K.S. 08 (2112) Martians
15 Relic of the Empire, A December, 1966 Known Space Short Story K.S. 23 (2645) First story that ties the world of Luke Garner to the world of Beowulf Shaeffer.  
16 Soft Weapon, The February, 1967 Known Space Short Story K.S. 31 (2658) Introduction of Nessus.  Later made into "The Slaver Weapon," an animated Star Trek script, with Spock in Nessus' role. See: Slaver Weapon, The
18 Flatlander March, 1967 Known Space Short Story K.S. 25 (2646) First appearance of Outsiders
20 Safe at Any Speed May, 1967 Known Space Short Story K.S. 40 (3101) The "Last" Known Space story
21 Adults, The May, 1967 Known Space Short Story K.S. 12 (2125) Protector part 1
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.

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