Secret Code Mystery

Twelve-year-old cousins Jo and Maggie take refuge in a cave on Century Farm when a tornado strikes. But when a tree crashes across the entrance, they’re trapped inside. Then they make an exciting discovery that kicks off a new mystery—with the clues written in secret code. Determined to find the answers, Jo and Maggie set off on an adventure that will plunge them back into the Civil War days of bushwhackers, stagecoaches, and hideouts…and will uncover some surprises about their own family.