Book List in Order: 4 titles

  • A mysterious old letter. A promised payroll of gold. A shocking surprise in an old attic. When motorcycle-riding Granny Vera and her granddaughter, Clare, show up looking for gold at Century Farm, twelve-year-old cousins Jo and Maggie decide they hav...


  • An old bottle. A note written in secret code. A Wanted poster. 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 ...


  • A secret passageway. An old diary. A shocking discovery. Twelve-year-old cousins Jo and Maggie plunge deep into a mystery when they discover a secret passage under a shack in the woods of Missouri. After hearing rumbling noises, the girls creep into ...


  • An abandoned old shack. A scrap of paper. Clues in a Rubik's CubeĀ®. Twelve-year-old cousins Jo and Maggie plunge deep into a mystery when they enter an old, abandoned shack on the family farm and find a scrap of paper that says, 'I hid the ten thous...