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Average rating3.3
Frank and Joe solve the mystery of the secret locked room in the spooky Dalrymple Mansion.
Series
116 primary books117 released booksThe Hardy Boys is a 117-book series with 117 released primary works first released in 1920 with contributions by Franklin W. Dixon, Jerrold Mundis, and Leslie H. Morrill.
Series
39 primary booksHardy-guttene is a 39-book series with 39 released primary works first released in 1920 with contributions by Franklin W. Dixon, Jerrold Mundis, and Leslie H. Morrill.
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