"Bright Shining Lie - John Paul Vann and America in Viet Nam" -
Amazon link (What an incredible story. JP Vann awarded Presidential Medal of Freedom, posthumously)
"First Man: The Life of Neil A. Armstrong" - movie with R. Gosling based on this. Wow.
Amazon Link
"Nuclear War, A Scenario" - I've several books on this subject in the library (and growing); easy read, seems relevant. Read it in an afternoon.
Amazon Link
(Reminder: Unless it's brand new, shop around. I find the best places to purchase older books online is ebay, but not always. Amazon links above are for curiosity sake.)