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They must unlock the mystery—before time runs out. Unwrapping a puzzling package and finding a clue launches twelve-year-old cousins Sophie and Jessica into the dangers of The Treasure Key. They're soon racing against time—and bad guys— to find long-lost treasure. Will they be the first to discover its hiding place?
© 2025 Sienna Bay Press (Audiobook): 9781666692013
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Audiobook: 4 February 2025
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