The Hardy Boys 39: The Mystery Of The Chinese Junk by Franklin W. Dixon.

"The Hardy Boys 39: The Mystery Of The Chinese Junk"
Grosset & Dunlap
Language: English
Published in 1960.
Contains the Hardy Boys story The Mystery Of The Chinese Junk by Franklin W. Dixon in 184 pages, with black and white illustrations.
"The Hardys purchase a Chinese junk named the Hai Hau to ferry passengers to Rocky Isle and make some extra money. Four mysterious men also are interested in the boat because of treasure hidden inside the Hai Hau."