Panzer Leader Gen. Heinz Guderian
The Two Ocean War Adm. Samuel Eliot Morison
Reminiscences Gen. Douglas MacArthur
Brazen Chariots Maj. Robert Crisp. this is hard to come by and lesser known in the US than it should be (the Brits and Israelis still read it, I'm told), but an excellent book on the North African campaign by a British tank officer; there is a companion volume, the title of which I don't recall off hand, on his experiences in Crete and Greece.
War as I Knew It Gen. George Patton
The Second World War Sir Winston Churchill
The Rise and Fall of the Third Reich William Shirer