The U-505 joins the war in the Atlantic -- The Battle of the Atlantic, 1939-1945 -- U-boat hunter-killer groups -- Task Group 22.3 -- The last patrol of U-505 -- The battle and the capture -- Bringing the U-505 to Chicago -- Restoration: a continuing task -- The new U-505 experience -- Appendix A. Operating and living aboard the U-505 -- Appendix B. The evolution of the submarine.