Four volumes from the CIA Historical Collections series:  The Original Wizards of Langley (A Symposium Commemorating 60 Years of S&T Intelligence Analysis); Baptism by Fire (CIA Analysis of the Korean War); Strategic Warning and the Role of Intelligence (Lessons Learned from the 1968 Soviet Invasion of Czechoslovakia); and Stories of Dedication & Sacrifice (Civil Air Transport, Air America, and the CIA), WWII - Vietnam.  Ranging from 45-65 pages each; size roughly 8.5 X 11 inches, one-quarter inch thick; each includes an unplayed DVD with additional detail, audio clips, video clips, etc., that vary by publication.  The covers of all 4 volumes show light shelf wear; two have never been read; there are no rips, tears, or crinkled/dog-eared pages; no pages are loose.  Published by as part of the CIA's Historical Collections (see photo of flyer), each volume contains interesting copies of declassified intelligence documents that add depth to the historical record, plus relevant photographs, timelines, and other graphical support.  Would be of interest to students of military history, intelligence history, and/or intelligence analysis.  The 4 volumes are offered as a single lot.  More photos are available; please feel free to ask questions.