U-boats in action
By: by Robert C. Stern ; illustrated by Don Greer.
Series: Warships ;; no. 1
Publisher: Squadron/Signal Publications
Published: 1977
Place of publication: Warren, Mich
Language: eng
Number of pages: 48
Subjects: Germany. Kriegsmarine.; Submarines (Ships); World War, 1939-1945 -- Naval operations, Submarine.