1961. No Edition Remarks. Unpaginated. This is an ex-Library book. Plain paper covers. Library copy, with expected inserts, stamps and inscriptions. Pages are bright and clear with visible foxing and tanning to text block edges and reverse of covers, as well as title pages. Hinges are lightly cracked but covers remain firmly attached. Paper covers have light edge-wear and corner curling with noticeable tanning, chipping and scuffing overall. Spine has similar tanning with mild rolling and creasing.