Shucked Apart (A Maine Clambake Mystery Book 9), by Barbara Ross, is the latest in the Clambake Mystery series set in Maine. It's currently priced at $0.99 at Amazon (US). Titles in this series occasionally go on sale for $1.99.
https://www.amazon.com/gp/product/B089N3KK89
EDIT: I just checked. Looks like the price is back up to $6.99.