WORKING STIFF by Rachel Caine

Bryn Davis is new on the job as a funeral director, but even she knows that once you're dead, you ought to stay that way. But Fairview Mortuary has a hidden backroom business: reviving the dead for profit, at extortionate rates.
Finding out may cost Bryn more than her life ... it may just take away her death, too.
I'm a big Rachel Caine fan, so when I heard she had a new series coming out, I had to get the first book. And man, am I glad I did! Even though I've still got the last two Weather...