Hah, TYVM Brooke, I've been trying to remember the name/author of this book -
Last Stand of the Tin Can Sailors, by Hornfischer. Has a great passage about the 5" guns fire control, and a gunnery officer training all 5 guns on a can at a Japanese officer on a beach with sword in air, and him obliterating him with one volley (discussion on WW2 gunnery systems and accuracy).
One book I haven't seen mentioned, A Thousand Shall Fall, by Murray Peden, Canadian who flew bombers for the RAF, Stirlings, Lancs, and B17s. Best bomber from WW2 book I've read.