1967. First Edition Thus. Unpaginated. Illustrated dust jacket over blue cloth boards with lettering. Two books bound joined together, each paginated separately. Clean pages with noticeable tanning and foxing throughout. More pronounced to free endpapers and pastedowns. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces and bumping to corners. Gilt lettering is bright and clear. Minor sunning to spine and edges with crushing to spine ends. Unclipped jacket. Panels and spine have light edgewear with tears and creases. Moderate tanning and wear marks to flaps, panels and spine.