num_pages: 155
description: A series of suspicious accidents at a ballooing festival have the Hardys searching for an extortionist. But if they're not careful, their high-stakes, high-risk investigation may blow up in their faces.
language: English
title: Sky High
titlecomplete: Sky High (Hardy Boys Casefiles, No. 113)
genres: Mystery
ratings_count: 41
series: The Hardy Boys Casefiles
publisher: Pocket Books