Einzelkämpfer auf See

By Bekker, Cajus
(Lone fighter at sea)
1968, Stalling Verlag, Hamburg
210 pages, some illustrations
book is in German language

Descripton: About the German midget submarines and frogmen. Includes chapters on "Seal" and "Beaver" mini subs. First published in 1956 as ...Und liebten doch das Leben.

- This book has been translated into other languages.