Air Navigation by W. J. D. Allan
1942. Reprint. 80 pages. No dust jacket. Blue cloth with red lettering. Clean pages. Minimal foxing and tanning to endpapers and page edges. Previous owner's names to front endpapers. Some gutter cracking. Mild wear and bumping to spine, board edges and corners, with scuffing and marking to boards. Notable sunning to spine and board edges.