Gratuitous bump for rference...
I just downloaded this book and the The Next American Civil War onto our Kindle. Dr. Quigley's T&H (1966, First Printing) is scheduled to arrive on July 2. Add these to the pile of books my son got me for Father's Day and I will be longing for rainy weekends and nothing too urgent to attend to in the shop!
Brief comment on the Enemies: Both (Marxist-Statists and Islam) have already become firmly entrenched within. No need to be overly concerned with external threats at this point, the internal threats have already outstripped our flanks. IMO.