180 pages
English language
Published July 4, 1981 by Wanderer Books.

Franklin W. Dixon: The four-headed dragon (1981, Wanderer Books)
180 pages
English language
Published July 4, 1981 by Wanderer Books.
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.