Eleven-year-old budding scientist Thelma Bee has adventure in her blood. But she gets more than she bargained for when a ghost kidnaps her father. Now her only clues are a strange jewelry box and the word "Return," whispered to her by the ghost. It's up to Thelma to get her dad back, and it might be more dangerous than she thought--there's someone wielding dark magic, and they're coming after her next.

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