On LGBTQ+ editing: Characters

This is the first in a mini-series of posts looking LGBTQ+ fiction editing. By LGBTQ+ fiction, I mean any fiction that features LGBTQ+ characters. From erotica to science fiction, stopping off at romance, fantasy and historical. No genre should now be without LGBTQ+ representation.

Sensitivity readers: do you need one?

What is a “sensitivity reader” and how do you know if you need one? Do they provide a function outside of editing? What makes a sensitivity reader different from a beta reader?