1951. Third edition. 335 pages. No dust jacket. This is an ex-Library book. Orange cloth covered boards. Ex library copy with associated labels, inserts, stamps and annotations. Pages remain bright and clean with minimal tanning and foxing. Binding remains firm. Minor pencil inscriptions to endpapers. Boards have moderate shelf wear with mild bumping and fraying to corners and crushing and fraying to spine ends. All surfaces heavily tanned, particularly spine. Book has slight forward lean. Boards are slightly bowed.