Translation of: Zehn Jahre und zwanzig Tage. Includes index.

The new task -- Wolf-pack tactics -- U-boat building policy 1935-1939 -- The decisive months of 1939 -- The U-boat war begins: September 1939-March 1940 -- The Norwegian operation and the torpedo crisis -- The Battle of the Atlantic: July-October 1940 -- Organization of U-boat arm and of U-boat construction -- The Battle of the Atlantic: November 1940-December 1941 -- America's war against us before December 11, 1941 -- Operations in American waters: January-July 1942 -- Convoy battles and distant operations: July-September 1942 -- The Laconia -- Improvement in U-boat equipment and armament -- More convoy battles and operations in distant waters: October-December 1942 -- Commander -in-chief of the navy -- Collapse of the U-boat war: January-May 1943 -- My tasks as commander-in-chief 1943-45 -- July 20, 1944 -- The U-boat war from May to the end -- Head of the government.