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The Secret of the Caves

When Frank and Joe Hardy try to help their father locate Miss Todd's missing brother, they find themselves tangled up with a mysterious hermit named Captain Royal. This is the original 1929 version of the classic mystery.


Author:

  • Franklin W. Dixon

Format:

  • E-book

Duration:

  • 108 pages

Language:

English


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  8. The Smuggler's Legacy

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  9. Over the Jungle Trails

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  10. Black Cat Weekly #79

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  11. The House on the Cliff : Adventure & Mystery Novel (The Hardy Boys Series)

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