Airmen's Mathematics by M. J. G. Hearley & R. Leverington Smith.
1941. 115 pages. No dust jacket. Blue cloth with lettering. Contains black and white illustrations. Moderate tanning, with light foxing and marking to pages. Cracks to guttering throughout, with exposed netting. Heavy tanning to text block edges and cracking to front hinge. Some rub-marking and tanning to pastedowns and endpapers. Boards have moderate shelf wear, with rubbing and marking. Heavy bumping to corners and crushing to spine ends, causing cloth to fray. Book has noticeable forward lean. Boards are slightly bowed and sunned.