It details the use of the 'Ace of Spades' throughout military history, but more specifically Vietnam. Check it out... it's wicked.
About the author:
SGM Herbert A. Friedman (Ret.)
(Friedman retired in 1995 after 26 years of honorable service. He has held numerous positions in the military, holds three military occupational specialties, several special skills identifiers, and is an honor graduate of the United States Army Sergeants Major Academy at Ft. Bliss, Texas.)