League of WWI Aviation Historians. OVER THE FRONT, Vol 33, No. 4, Winter 2018. Phoenix, C.L. Printing, 2018. 4to (8.5x11"), 100 pages, illus, numerous color illus front and back covers, wrps, color card covers. Articles about French ace Boyau, the eastern front, Guynemer's 8th victory, Escape & Evasion of Lt. Pat O'Brien, etc. As new condition.