Opus No. Titlesort ascending Date Setting Publication type I.U.C. Notes
3 Wrong-Way Street April, 1965 Known Space Short Stor A stand-alone time-travel story. Niven credits his editor, Fred Pohl, with a great deal of help with this story: "He published my second story, "Wrong Way Street," in Galaxy. The title is his. He felt it needed a new first chapter for coherency, and he wrote that too." Note that the story reappears in Convergent Series without the hyphen in the title.
134 Wristwatch Plantation, The March, 1982 Star Trek Comic Strip Collaboration, co-created with Sharman Di Vono and Ron Harris, syndicated by the L.A. Times Syndicate and carried in several newspapers.
95 World Out Of Time, A December, 1976 The Stat Novel "Fix-up" novel made up of: Rammer Children of the State Down and Out
World of Ptavvs/A Gift from Earth/Neutron Star June, 1991 Known Space: Collection Collection Omnibus of the first three books in the "Known Space" series. Contents: World of Ptavvs Gift from Earth, A Neutron Star
2 World of Ptavvs March, 1965 Known Space Novella Expanded into novel form in 1966, see World of Ptavvs  
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).
Works in Progress October, 1991 N/A Non-Fiction Discussion of works in progress as of the publication of Playgrounds of the Mind  
97 Words in Science Fiction, The July, 1976 N/A Non-Fiction Read It Here! essay on writing sci-fi
Woman in Del Rey Crater, The June, 1995 Known Space: Gil Hamilton Short Story Gil still solving crimes on the moon
167 Wishing Game, The June, 1989 Magic Universe: Warlock Short Story W. 05 final tale of the Warlock's companions
Wisdom of Demons, The July, 2000 Draco Tavern Short Story D.T. 11 Draco Tavern think twice before accepting gifts from the Glig.
Wisdom August, 1999 Stand Alone Short Story This issue of Altair, an Australian fanzine, was published in conjunction with AussieCon III, the 1999 WorldCon.
149 Why Men Fight Wars and What You Can Do About It December, 1984 Non-Fiction essay on modern warfare
Where Next, Columbus? January, 1992 N/A Non-Fiction Collaboration, co-written with Jerry Pournelle
What Would You Produce Given a $10 Billion Budget? January, 1979 N/A Interview Interview
What Will be Earth's next Great Energy Source? November, 1978 N/A Interview Interview
What Role can and should science fiction writers play in working with America's major corporations in planning for the future of society? March, 1980 N/A Interview Interview
52 What Good is a Glass Dagger? September, 1972 Magic Universe: Warlock Short Story W. 03 Werewolves and necromancy and trolls, oh my!
What explains the present lack of citizen interest in and support for the U.S. space program? June, 1980 N/A Interview Interview
57 What Can You Say About Chocolate Covered Manhole Covers? June, 1971 Stand Alone Short Story The American Dental Association says they are bad for children's teeth. First appeared in All the Myriad Ways

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