Memoirs: ten years and twenty days by Karl Dönitz. It is well written and it tells a very different view of the war than most history books. Not by telling lie

Memoirs: ten years and twenty days by Karl Dönitz. It is well written and it tells a very different view of the war than most history books. Not by telling lies but by telling truths from his point of view and with UK sources that shows how close Germany were at winning the early war and how badly the US navy fared.