1967. Sixth Printing. 254 pages. This is an ex-Library book. Red laminated jacket over black cloth. Expected library inserts, stamps and inscriptions. Pages are lightly tanned, but text remains clear. Binding is firm. Boards have light shelf-wear, with minor corner bumping. Minor sunning to spine, with light crushing to ends. Clipped jacket. Heavy sunning to spine and edges of exterior. A few small black marks to interior. Mild shelf-wear, with small chips to panels and slight loss to spine ends.