num_pages: 187
description: On a visit to Germany, the Hardy brothers investigate the theft of plans for a newly invented submarine and the mysterious disappearance of valuable coins and paintings.
language: English
title: DEADLY CHASE HB68
titlecomplete: DEADLY CHASE HB68 (Hardy Boys Mystery Stories)
genres: Fiction, Childrens, Detective, Young Adult, Action, Adventure, Classics, Mystery, Middle Grade
ratings_count: 267
series: The Hardy Boys
publisher: Aladdin