After some post-Christmas retail therapy in the Windy City, mystery bookshop owner and historical whodunit novelist Sam Washington is returning home to North Harbour, Michigan, on a chartered bus. With Nana Jo and her gal pals Irma, Dorothy and Ruby Mae from Shady Acres Retirement Village along for the ride, it's a lively trip. But one passenger is not so lively--a gentleman Irma befriended is found dead in his seat after an unscheduled stop. The...