The demon's den
The Hardy boys, vacationing in Vermont, offer to help the police locate a missing camper and find themselves involved with a doomsday cult, a deadly strain of bacteria, and possibly the devil.
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| Μορφή: | Βιβλίο |
| Γλώσσα: | English |
| Έκδοση: |
New York
Simon and Schuster
c1984.
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| Σειρά: | Dixon, Franklin W. Hardy boys mystery stories.
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