7It's a boring, hardscrabble life for three sisters growing up on a Michigan farm in the throes of the Great Depression. But, when young Nellie, digging for pirate treasure, discovers the tiny blue-black hand of a dead baby, rumors begin to fly. Narrated by Nellie and her two older sisters, the story follows the girls as they encounter a patchwork of threatening circumstances and take it upon themselves to solve the mystery.