Mysterion

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Mysterion publishes speculative fiction engaging meaningfully with Christianity, including science fiction, fantasy, and horror.

Response time info: within four months of the submission window's closing

Read the full guidelines at mysteriononline.com↗

Submission calls

fictionScience FictionFantasyHorrorOpens Jan 1, 2027

Speculative stories—science fiction, fantasy, or horror—with Christian themes, characters, or cosmology; stories must contain a speculative element and meaningfully engage with Christianity. The hard maximum is 10,000 words. Fiction submissions are closed until January 1, 2027 and are accepted each January and July.

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