Hidden City by M. S. Lawson

Hiding out in a remote outpost of the empire, working as a mechanic, Alf is recruited to fix a spaceship off the books. Instead, he winds up fighting for his life in a mysterious Alien facility, with one of his few allies being a female police sergeant who thinks he's scum.

Hidden City is a captivating science fiction novel by M. S. Lawson that plunges readers into a futuristic world where an ordinary spaceship repair job spirals into a pulse-pounding adventure filled with unexpected twists and breathtaking discovery.