Title: The Mark on the Door
Description: Shortly after his arrival in the United States, a Japanese business tycoon mysteriously disappears. Then a valuable samurai sword, said to have belonged to the missing tycoon's family for generations, is stolen from an auction gallery in New York. Danger confronts them constantly as the Hardy Boys search for the solution to the puzzle.
Subjects: Mystery, Juvenile Fiction, Fiction, Mystery and detective stories, Fiction, mystery & detective, general, series:HardyBoys, collectionID:HBMS1, Hardy boys (fictitious characters), fiction, Children's fiction