1st Edition Corbett J S & Newbolt H, 'Official History of The War (WWI)'. The book regarding naval operations based on official documents in nine volumes blue gilt cloth. Corbett Vol I 'To the Battle of Falklands' text with five maps and 18 maps under separate cover. Corbett Vol II with seventeen maps, Vol III text and with forty six maps under separate cover, Newbolt Vol IV text and with fourteen maps under separate cover, Newbolt Vol V text and approx 31 maps under separate cover.