Editing Terry Pratchett (section)

===Collaborations===
* ''[[The Unadulterated Cat]]'' (1989) is a humorous book of cat anecdotes written by Pratchett and illustrated by [[Gray Jolliffe]].
* ''[[Good Omens]]'', written with [[Neil Gaiman]] (1990)
* ''[[Once More* With Footnotes]]'', edited by Priscilla Olson and Sheila M. Perry (2004), is "an assortment of short stories, articles, introductions, and ephemera" by Pratchett which "have appeared in books, magazines, newspapers, anthologies, and program books, many of which are now hard to find".<ref>{{cite book |last=Pratchett |first=Terry |title=Once More* (with footnotes) |publisher=NESFA Press |year=2004 |isbn=1-886778-57-4 |editor1-first=Priscilla |editor1-last=Olson |editor2-first=Sheila M. |editor2-last=Perry}}</ref> These include the short stories "The Sea and Little Fishies", "Troll Bridge", "The Hades Business", "Final Reward", "Hollywood Chickens", "Turntables of the Night", "Once and Future", and "#ifdef DEBUG + 'world/enough' + 'time{{'"}}, as well as nonfiction articles.
* The five-book "[[The Long Earth (series)|Long Earth]]" series written with [[Stephen Baxter (author)|Stephen Baxter]], published between 2012 and 2016 beginning with ''[[The Long Earth]]''.<ref>{{cite web |last=Roberts |first=Adam |date=20 June 2012 |title=The Long Earth by Terry Pratchett and Stephen Baxter – review |url=https://www.theguardian.com/books/2012/jun/20/long-earth-terry-pratchett-stephen-baxter-review |accessdate=5 April 2023 |work=[[The Guardian]]}}</ref><ref>{{cite web |last=Flood |first=Allison |date=25 July 2015 |title=Stephen Baxter interview: why science fiction is like therapy |url=https://www.theguardian.com/books/2015/jul/25/stephen-baxter-interview-why-science-fiction-is-like-therapy |accessdate=5 April 2023 |work=[[The Guardian]]}}</ref>