Seeley relaxed further into the warm bubbling water as she thought about what her grandmother had written in her journals on the location of the sunken galleon—the Charm of Tucunia. It was a detailed topographical map, complete with depths, changes in water currents, and even what marine life grew on the ocean floor, hard and soft corals, various animals crustaceans and tropical fish, and even sea turtles up to a certain depth. 

There was no drawing of a boat, ...