The four-headed dragon
The Hardy boys track a criminal who plans to use an invention designed as a peaceful aid to the secret Four-Headed Dragon organization behind the Iron Curtain to harm the free world instead.
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| Format: | Book |
| Language: | English |
| Published: |
New York
Simon and Schuster
c1981.
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| Series: | Dixon, Franklin W. Hardy boys mystery stories
69. |
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