num_pages: 151
description: The Hardy Boys return to the Tower Mansion, the scene of their very first case, for a vacation/treasure hunt. They are going to participate in the search for a valuable ancient treasure. But as the digging begins, so do the accidents. Someone is after the treasure and will stop at nothing to get it.
language: English
title: The Secret of the Island Treasure
titlecomplete: The Secret of the Island Treasure (Hardy Boys, #100)
genres: Adventure, Mystery, Young Adult, Classics, Childrens
ratings_count: 181
series: The Hardy Boys, Hardy-guttene
publisher: Pocket Books