The Four-Headed Dragon

About this book

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.

1. The Pentagon Spy 1980
2. The Four-Headed Dragon 1981 This book
3. The Infinity Clue 1981
4. The Outlaw's Silver 1981

Subjects

• alaska
• children's fiction
• collectionid:hbms2
• hardy boys (fictitious characters), fiction
• mystery
• mystery and detective stories
• series:hardyboys