Jay Miller with intro by Charles "Chuck" Yeager. This new and totally revised edition covers the world's most exotic aircraft family. Encompassing every X-Plane from the rudimentary yet world-famous Bell X-1 supersonic research aircraft of 1947 to the very latest X-planes including the JSF and various space test vehicles, book includes considerable newly declassified information. Covers histories, specifications, propulsion systems and much more. 440 pgs., 850 B&W and 50 color photos, 8½"x 11", hdbd. #0005296