The Submarine Caper
Ghostwriter Lilo Wuenn[1]
Outline Conrad Fuchs[1]
Cover artist Paul Bachem (1989)
Publication information
Publisher Wanderer Books
Minstrel Books
Publication date 1981
Media type Paperback
Pages 175
ISBN ISBN 0-671-42339-8
Series The Hardy Boys
Preceded by The Outlaw's Silver
Followed by The Four-headed Dragon


"What bone-chilling mystery lies buried in the deep, dark cavern, underground"
— Tag-line, from 1989 printing

The Submarine Caper is the 68th book in The Hardy Boys series. It was first published in 1981 by Wanderer Books, and republished in July 1989 by Minstrel Books under the new name of Deadly Chase.

Plot summary

Frank and Joe Hardy are in Germany, to visit an investigative reporter, named Gerhard Stolz, who has asked for their help following-up some leads. The plans of a top-secret mini submarine have been stolen, and a collection of long-lost paintings, just recently rediscovered, have gone missing.

It's up to the Hardys to uncover the truth, but after a deadly high-speed chase down the Autobahn and nearly getting killed in the minisub, they soon come to realize that two mysteries may be more then they can handle.


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Businesses and organizations



  • Conrad Fuchs wrote the original manuscript of this story in German. It was then translated by Lilo Wuenn.[1]


  1. 1.0 1.1 1.2 Who Wrote the Hardy Boys? at

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