In this first novel of the Doubloon Cove series, we meet tween-aged sleuths Jeffrey and Steven, both 12, and Cindy, 10 as they tackle their first case. Jeffrey's and Cindy's parents are college professors, and believe that there is a thousand-year-old mystery right here in Doubloon Cove, Massachusetts. But their peers ridicule them, so they are too afraid to pursue it. So it is up to Jeffrey, Cindy, Steven and his brother Frederick, to solve the case. But they must battle dangerous caverns, their own fears, and must learn to work as a team, all while being chased by crooks who have their own agenda. Set in a time before smartphones and Internet, Doubloon Cove is a thrilling adventure full of danger and revelations. History, mystery, and action come together in this compelling story.