If those writers ever appeared, I’d imagine they’d be realm/world/dimension travelers/jumpers/crossers. Whatever you want to call it … Or it could be that each story from each world somehow exists in the other worlds, some way or another. Like the fairy tales in our world. There could be stories that are real here, in FTL. Or just paintings, etc.
That’s one theory I’d thought I’d never reveal, but since it came up … 😆
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