Book Overview
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. This description may be from another edition of this product.
Format:Paperback
Language:English
ISBN:0671423398
ISBN13:9780671423391
Release Date:November 1981
Publisher:Wanderer Books
Length:187 Pages
Weight:0.47 lbs.
Age Range:9 to 12 years
Grade Range:Grades 4 to 7
Customer Reviews
1 rating
One Of The Better Paperbacks
Published by Thriftbooks.com User , 23 years ago
While in Germany, Frank and Joe investigate a case of sabotage on an inventor's mini-submarine and the theft of valuable medieval paintings which had been lost after being hidden during World War II. An interesting story with lots of action; the book kept me interested from beginning to end. My only complaint is that none of the Hardy's friends or family were included.
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