Description: A pictorial guide to the Imperial Japanese Navy's Nagato-Class battleships, Nagato and Mutsu.
Brief description: Hans Lengerer was in the government service (executive) until retirement. After contacts with the late Erich Gröner, he was encouraged by the late Jürgen Rohwer to publish on the IJN. He has written more than 50 articles and several books, including Die Flugzeugträger der Kaiserlichen Japanischen Marine und des Heeres, 2 volumes. He lives in Germany.