Eleven-year-old Jack Putnam and his eight-year-old brother Benny are being dragged against their will on a summer-long vacation with their family. And t to somewhere cool like Disney World, but to a little port town in Maine named Chowder Bay, far away from anyplace fun. But what promises to be a very bleak summer quickly becomes a series of exciting adventures in one of the most mysterious places on earth! This third volume has the boys investigating the mysterious death of Dr. True, a 19th century inhabitant of Chowder Bay who is most famous for `Dr. True's Wonderful Elixir'. Was the town's famed hero, Captain Holister, involved? As with everything else in Chowder Bay, t everything is as it appears.