Scones & Bones by Laura Childs, 295 pages

Indigo Tea Shop owner Theodosia Browning is lured into attending the Heritage Society's "Pirates and Plunder" soiree. But it's an antique diamond skull ring that gets plundered by someone who murders a history intern in the process. Theodosia knows she'll have to whet her investigative skills to find the killer among a raft of suspects.