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The Secret of the Lost Tunnel by Franklin W. Dixon

The Secret of the Lost Tunnel

The Hardy Boys #29

Franklin W. Dixon

174 pages • first pub 1950 (editions)

fiction middle grade mystery adventurous mysterious medium-paced
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The Secret of the Lost Tunnel by Franklin W. Dixon

The Secret of the Lost Tunnel

The Hardy Boys #29

Franklin W. Dixon

210 pages • first pub 1950 (editions)

fiction middle grade mystery adventurous mysterious medium-paced