In the Iraq section of the "doesn't fit" category: The Arab Mind, by Raphael Patai.

I understand that there are criticisms of the book. I would quote Wilf's tagline:
"Pedants will be able to cite exceptions, and thus undermine useful (insightful) theory. Their depredations must be firmly resisted by one simple test: does the theory generally aid understanding of useful military problems? If so, then exceptions are permissible."
J.P. Storr “Human Aspects of Command”
The LTs will quickly learn what applies and what does not after a few days in country. I found it helpful.