Medea: Harlan's World

{{short description|US 1985 science fiction anthology}}

{{Other uses|Medea (disambiguation)}}

{{Use mdy dates|date=March 2025}}

{{Infobox book

|italic title =

|name = Medea: Harlan's World

|image = File:MedeaHarlansWorld.jpg

|image_size =

|caption = First edition

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|cover_artist = Frank Kelly Freas

|country = United States

|language = English

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|genre = Science fiction

|published = 1985

|publisher = Phantasia Press

|media_type = anthology

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Medea: Harlan's World (1985; {{ISBN|0-932096-36-0}}) is a 1985 collection of science fiction short stories by different authors,{{cite book|title=Medea: Harlan's World|publisher=Worldcat|date=1985|oclc = 11622689}} all taking place on the same fictional moon. It was an experiment in collaborative science fictional world-building, featuring contributions by Hal Clement, Frank Herbert, and others.

It was based on a 1975 UCLA seminar called "10 Tuesdays Down a Rabbit Hole", held by Harlan Ellison and other science fiction authors.