The teenage son of a prominent middle-eastern diplomat has gone missing on the Caribbean island of St. John, and the boys take off to find him. It turns out he's been kidnapped by a group planning to rob a sunken Spanish galleon of all its treasures. Frank and Joe search high and low, fighting thugs and sharks, for clues to find the missing boy. But when they do find him, they're in for a big surprise...
About the AuthorFranklin W. Dixon is the author of the ever-popular Hardy Boys books.
Book InformationISBN 9781847381170
Author Franklin W. DixonFormat Paperback
Page Count 160
Imprint Simon & Schuster Childrens BooksPublisher Simon & Schuster Ltd