This the first of two volumes on Germanys World War II U-boats traces their development through: the early U-boats of the Kaisers navy; the prohibition on Germany having U-boats following the Armistice in 1918 & the subsequent Treaty of Versailles; the secret development of U-boats using a cover-firm" in Holland; & culminating in the formation of the 1st U-boat Flotilla in 1935 with the modern Type II. The operational history section
Includes:: examples from the classes Type VIIA Type VIIB VIID VIIE & VIIF before concentrating on the mainstay of the U-boat arm the Type VIIC. Comparisons are also made with the standard Allied submarines their strength & weakness & U-boat tactics."