1923. Second Edition Tenth Impression. 311 pages. No dust jacket. Blue cloth. Fold-out chart to end of book. Pages are lightly tanned and foxed throughout. Fold-out chart is light tanned with moderate creasing and small tears. Occasional thumb-marking present. Binding remains firm. Boards have mild edge wear with slight rubbing to surfaces. Soft crushing to spine ends. Mild tanning to spine and edges.Crushing to spine ends with small splits and fraying to cloth. Small brown soiled mark to rear board. Book is slightly forward leaning.