num_pages: 220
description: Hired to locate an old Spanish cannon, the Hardy brothers uncover an even greater treasure after perilous underwater adventures.
language: English
title: The Secret of Pirates' Hill
titlecomplete: The Secret of Pirates' Hill (Hardy Boys, #36)
genres: Adventure, Classics, Mystery, Childrens, Young Adult, Detective, Thriller, Fiction, Mystery Thriller, Crime
ratings_count: 1529
series: Hardy-guttene, The Hardy Boys
publisher: Grosset & Dunlap