The Hardy Boys Secret Files
In many ways a successor to the short-lived Clues Brothers series that was cancelled a decade earlier, the Secret Files series began in 2010 and is targeted at younger readers than the regular Hardy Boys books.
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1. Trouble at the Arcade (2010) |
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2. The Missing Mitt (2010) |
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3. Mystery Map (2010) |
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4. Hopping Mad (2010) |
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5. A Monster of a Mystery (2011) |
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6. The Bicycle Thief (2011) |
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