1967. Revised Edition. Unpaginated. No dust jacket. This is an ex-Library book. Blue cloth boards with gilt lettering. Book has been rebound by library, with expected inserts, stamps and inscriptions. Hinges are slightly cracked with exposed netting. Clean pages with light tanning and mild foxing throughout. More pronounced to free endpapers and pastedowns. Pencil and pen inscriptions to title page. Thumb-marking present. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces and bumping to corners. Gilt lettering is bright and clear. Visible wear marks to boards.