Editing Hal Clement (section)

==Articles and introductions==
* ''Probability Zero!'' (nov 1942). Published jointly with Malcolm Jameson, Harry Warner Jr., Dennis Tucker and P. Schuyler Miller in ''Astounding''. About ''Probability Zero'', Harry Harrison said in the John Campbell Memorial Anthology:<ref>{{Cite web|url=http://www.isfdb.org/wiki/index.php/Series:Probability_Zero|title = Series:Probability Zero - ISFDB|website = isfdb.org}}</ref>
"In the early 1940s, in Astounding, there was a small department called Probability Zero! that ran short-short stories. Or items. Or lies. Things. These things were usually funny and always impossible - echoing the description of the title."
* ''Whirligig World'' (jun 1953). About how to write science fiction, and specifically, about how he wrote ''Mission of Gravity''. Published in ''Astounding''. Collected in ''The Essential Hal Clement Volume 3'', ''Heavy Planet'' and ''Mission of Gravity'' (1978).
* ''Some Notes on Xi Bootis''. Published by Advent Publishers.
* ''Gravity insufficient'' (nov 1961). Published in ''Analog Science Fact''.
* ''Chips on Distant Shoulders'' (1980). Published in ''The Future at War Vol. 3''.
* ''Basic Concepts: Astrophysics, Geology'' (1985). About Harlan Ellison's world ''Medea''. Published in ''[http://www.locusmag.com/index/t38.htm#A1961 Medea: Harlan's World]''.
* ''Second Thoughts'' (1985). About Harlan Ellison's world ''Medea'', jointly written with Poul Anderson, Thomas M. Disch, Larry Niven & Frederik Pohl. Published in ''[http://www.locusmag.com/index/t38.htm#A1961 Medea: Harlan's World]''.
* ''The Home System'' (oct 1986). Published in ''[[Aboriginal Science Fiction|Aboriginal]]''.
* ''Intuition: The Guide Who Needs Steering'' (1987). Published in ''Intuit''.
* ''The Magic Picture'' (1989). Published in ''[http://www.locusmag.com/index/t219.htm#A12657  L. Ron Hubbard Presents Writers of the Future v5]''.
* ''Whatever Happened to the Science in Science Fiction?'' (sep 1993). Published in ''[http://www.locusmag.com/index/t545.htm#A28109 Science Fiction Age]''.
* ''Ardent Thuria, Chilly Cluros: Seeing, and Seeing From, Low Orbiting Satellites'' (1994). Published in ''[http://www.locusmag.com/index/t610.htm#A31105 Mindsparks]''.
* ''Only Once'' (1994). Published in ''[http://www.locusmag.com/index/t606.htm#A31042 Fractal]''.
* ''Will'' (1998). Introduction to ''[http://www.locusmag.com/index/t854.htm#A41733 First Contacts: The Essential Murray Leinster]''.
* ''Jack Williamson, especulator'' (1999). Introduction to ''[http://www.locusmag.com/index/yr1999/t39.htm#A1969 The Collected Stories of Jack Williamson, Volume One: The Metal Man and Others]''.
* ''Alfred E. van Vogt'' (2003). Introduction to ''[http://www.locusmag.com/index/yr2003/t50.htm#A2359 Transfinite: The Essential A.E. van Vogt]''.
* ''About Proof, of Course'' (2003). Introduction to ''Proof'' in ''[http://www.locusmag.com/index/yr2003/t45.htm#A2125 Wondrous Beginnings]''.