1967. First Edition Thus. Unpaginated. Paperback books with pictorial cover. 3 volumes in one slipcase each paginated separately. Binding remains firm. Pages are lightly tanned throughout. Minor dog-eared corners. Paper cover has mild edgewear with curling to corners. Light tanning to spine and edges. Slipcase has moderate edge wear with markings to panels and scuffing to edges. Light tanning to spine and edges.