The Great Airport Mystery by Franklin W. Dixon
1953. First Published in Great Britain. 223 pages. No dust jacket. Green cloth. Pages are lightly tanned and foxed throughout. Occasional thumb-marking present. Binding remains firm. Boards have moderate edge wear with bumping to corners and rubbing to surfaces. Soft crushing to spine ends. Moderate tanning to spine and edges. Some foxed marking to surfaces, with minor pen marking to front board.