Wings of War is about the development of the P-51 in WWII. Pretty interesting.

Full name of the second Follow Me to Hell: McNelly's Texas Rangers and the Rise of Frontier Justice is exactly what it purports to be.

Be Useful: Seven Tools for Life is a motivational book by Arnold Schwarzenegger. I've read several books by him, he's a quite enjoyable read. This one is the most approachable of those three books and so the one I'd recommend to most people.