Vom Original zum Modell, Uboottyp XXI

By Köhl, Fritz
(From original to scale model: Type XXI U-boat)
1988, Bernard & Graefe Verlag, Koblenz
ISBN 3763760008
64 pages, 91 b/w photos and 21 colour photos, 28 plans and drawi
book is in German language

Descripton: A good source about the type XXI U-boat with a lot of detailed photos and drawings.