I.O.U. (Jenny Cain Series #7)

The layered plot of the latest in the excellent Jenny Cain series (SAY NO TO MURDER) finds the Port Frederick, Mass., sleuth probing the cause of her recently deceased mother's insanity. Cain discovers that her mother's mental collapse many years before coincided with the bankruptcy of the family business. The closing of Cain Clams created considerable unemployment locally and countless enemies for the Cains--one such foe may now be trying to prevent the amateur detective from delving further in…