Opus No. Title Date Setting Publication type I.U.C.sort descending Notes
58 Ringworld October, 1970 Known Space: Ringworld Novel K.S. 35 (2850) Niven's best-known novel brings together Nessus & Louis Wu from previous Known Space stories Ringworld has spawned 3 sequels and a role-playing game, among other things. Though it was first printed in 1970, it appears farther down the list in Niven's published bibliographies.
118 Ringworld Engineers, The July, 1979 Known Space: Ringworld Novel K.S. 36 (2878-81) First evidence of the Pak on the Ringworld.  First sequel to Ringworld
Ringworld Throne, The June, 1996 Known Space: Ringworld Novel K.S. 37 (2882-93) Louis encounters more Pak Protectors 2nd sequel to Ringworld
Ringworld's Children June, 2004 Known Space: Ringworld Novel K.S. 38 (2893) 3rd Sequel to Ringworld  
20 Safe at Any Speed May, 1967 Known Space Short Story K.S. 40 (3101) The "Last" Known Space story
43 Get a Horse! October, 1969 Svetz Short Story s. 1 First Svetz story, renamed "Flight of the Horse."
47 Leviathan! August, 1970 Sveltz Short Story s. 2 Svetz meets Moby Dick
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.
49 There's a Wolf in My Time Machine June, 1971 Svetz Short Story s. 4 Svetz meets a new pet
65 Death in a Cage September, 1973 Svetz Short Story s. 5 Svetz meets Death?
39 Not Long Before the End April, 1969 Magic Universe: Warlock Short Story W. 01 First Warlock story  
46 Unfinished Story December, 1969 Magic Universe: Warlock Short Story W. 02 A Short short story, later renamed "Unfinished Story #1."
52 What Good is a Glass Dagger? September, 1972 Magic Universe: Warlock Short Story W. 03 Werewolves and necromancy and trolls, oh my!
107 Magic Goes Away, The October, 1978 Magic Universe: Warlock Novella W. 04 Last Warlock story expanded from Magic Goes Away, The Later expanded into an illustrated novella. The third and final tale of the Warlock as he attempts to restore the world's depleted supply of Mana
167 Wishing Game, The June, 1989 Magic Universe: Warlock Short Story W. 05 final tale of the Warlock's companions

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