The Submarine Caper (Hardy Boys #68)
Book Details
Author(s)Franklin W. Dixon
PublisherWanderer Books
ISBN / ASIN0671423398
ISBN-139780671423391
MarketplaceUnited Kingdom 🇬🇧
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.
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