Bloodiest Victory - Palaus - Ballantine's Illustrated History Of The Violent Century, Campaign Book No. 28;

Lieutenant-General Sadae Inoue's orders which were straight from Japan's Imperial General Headquarters were painfully explicit and he knew he had a job to do, which was to hold the Palau Islands at any cost. April 1944 promised to be his most difficult mission ever as the American Pacific Offensive was getting up a full head of steam.