The Silver Ghost by Charlotte MacLeod

In ten words or less: Which eccentric relative or friend committed murder at Renaissance Revel?

Review: Sarah Kelling and Max Bittersohn attend the Renaissance Revel of Sarah's family friends, Bill and Abigail Billingsgate. During the festivities, one of the Billingsgate's employees is killed, and Sarah's Aunt Appie goes missing. The Billingsgate's valuable antique cars have been going missing, and Sarah and Max investigate. The local police are incompetent, and the couple must interview the eccentric collection of Kelling relatives in attendance.

Why bother? MacLeod's description of the Revel alone is worth reading the book. Who knew Morris dancing could be so funny? Sarah and Max are a pair of level headed thinkers among the assortment of odd ducks that are Sarah's old monied family.