Title: The Secret of the Island Treasure
Description: The landmark Tower Mansion, site of the Hardy boys' first triumph, is being converted into condos. Construction workers find a treasure map and Frank and Joe try to find the treasure, only to run across a modern day pirate who is determined to keep the secret to himself.
Subjects: Mystery and detective stories, Buried treasure, Fiction, series:HardyBoys, collectionID:HBMS3, Hardy boys (fictitious characters), fiction, Children's fiction