Christian Speculative Fiction is a curious term. It doesn’t mean a lot to your average reader. Readers are not fans of Speculative Fiction per se. Most will like science fiction or fantasy, or cyberpunk, or dystopia.
The term is a real one, however is used more as a term among Christian authors than by our secular counterparts, because there’s so little of it published. After all, while someone writing about elves may have little reason to connect with someone writing about space aliens in the general market, in the Christian Market, the speculative label has meaning among writers, but not to our readers.