To Catch a Stolen Soul — R.L. Naquin

Fans of the Monster Haven series by R.L. Naquin will love this beguiling spin-off, featuring a trapped djinn caught in a hot mess of lost souls, fast food and otherwordly murder. 

Kam is a soul chaser for the Hidden Government, a much harder job now that the Hidden look like everyone else. Broke, out of magic and sick of playing waitress in a pirate-themed dive bar, Kam jumps at a chance for an out-of-town mission. 

A reaper -- and his loaded soul stone -- have gone missing. The stone contains souls that might get permanently stuck if Kam doesn't find it, like, yesterday. She tracks the reaper down to a food truck outside Kansas City, only to find a dead reaper and no soul stone in sight. Which means that someone who should be dead killed the reaper and is running around with a powerful magic item. Not good. 

And apparently the killer is targeting food-truck owners that also happen to be Hidden. So the only thing to do is open her own truck and go undercover -- goodbye Kam the Djinn, hello Mobile Food Entrepreneur -- and hope that she and her new runaway friend won't be the next targets… 

This book is approximately 65,000 words