Dreams of the Dead — Gareth Lewis

When a friend goes missing, Rax Darkthorn must disturb the ghosts of his past in search of an answer. The trail leads to the second-to-last place he'd want to revisit, forcing him to deal with the dead, the undying, the neverborn, and the never should have been born.

Fifth in the Tales of the Thief-City series. A 20000 word fantasy novella.