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The Secret of the Old Mill
Authors
122 pages
More about the book
The plot follows Frank and Joe as they ingeniously infiltrate an old mill, only to find themselves trapped inside. As they navigate their predicament, they uncover two intertwined mysteries: a counterfeiting operation and a national security issue linked to their father's work. Their daring adventure combines elements of suspense and intrigue, showcasing their resourcefulness and determination to solve the cases at hand.
Book variant
2022, paperback
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