Captain Roskill has long been recognised as the leading authority on The Royal Navy s part in the Second World War. His official History (originally published for the HMSO) is unlikely even to be superceded. His narrative is highly readable and the analysis is clear. Roskill describes sea battles, convoy actions and the contribution made by technology in the shape of Asdic & Radar. Contents: Chronological Summary of Principal Events; The Background to the Maritime Offensive-The Battle of the Atlantic 1st June-31st August 1943 The Bay of Biscay Offensive-The Battle of the Atlantic 1st September-31st December 1943; The Final Defeat of the Wolf Packs -Home Waters and the Arctic 1st June-31st December 1943-Coastal Warfare 1st June-31st December 1943-The Mediterranean Campaigns 1st June-15th August 1943; The Invasion of Sicily-The Mediterranean Campaigns 16th August-31st December 1943; The Landing at Salerno and the Submission of the Italian Fleet-The Pacific and Indian Oceans 1st June-31st December 1943-The Battle of the Atlantic 1st January-31st May 1944; The Second Campaign in the Western Approaches-Home Waters and the Arctic 1st January-31st May 1944-Coastal Warfare 1st January-31st May 1944-The Mediterranean Campaigns 1st January-31st May 1944-The Pacific and Indian Oceans 1st January-31st May 1944.