Spice and Sorcery
Book 4 of the Mudflat Magic series. Somebody is trying to get rid of Claire. Her scudzy cuz counts off her enemies, but he doesn't think any of them are killers. Okay, there is always a first time.
Novels by Matthews have been published by Avon, Dark Quest, Dell, Holt, LostLoves, Putnam, Silhouette, Scholastic and others.