When the four Haskell grandchildren from Sioux Falls, South Dakota, visit their grandparents' country farm for the summer, they're convinced that spending time in rural Aberdeen is going to be totally boring. But for Audrey, a responsible twelve-year-old, defiant eleven-year-old twins Denny and Jenny, and Ty, an enthusiastic seven-year-old, their days of adventure are just beginning. To fill their time, the children start a club-the secret Peanut...