This spectacular fifteen-volume series that charts the U.S. Naval operations during World War II with an insider"s perspective. Morison, a Harvard professor, was given a special rank and writing post by FDR. He had active duty aboard eleven different ships, allowing him to witness many crucial battles in both the Atlantic and Pacific oceans. Volume Thirteen describes the aftermath of the Battle for Leyte Gulf including the liberation of the rest of the Philippine Archipelago. Filled with many maps and file photographs.