CLUE OF THE WHISTLING BAGPIPES
Nancy is warned not to go to Scotland but she does not heed the warning. Nancy, Bess, and George travel to Scotland to visit Nancy's greatgrandmother at an estate in the Scottish Highlands. A family heirloom is missing and Nancy hopes to recover it. While there, Nancy becomes involved in the mystery of missing flocks of sheep and a mysterious bagpiper. Clues leading to a discovery in an old castle and a prehistoric fortress lead to the mystery's solution.