1950. No edition remarks. 524 pages. No dust jacket. This is an ex-Library book. Blue cloth. Library copy, with minimal inserts and inscriptions. Bright and clean pages with light tanning throughout. Binding is firm throughout with minor thumb-marking. Notable water stain to upper text block edge. Boards have light edgewear with corner crushing and notable marking to boards. Heavy tanning to board edges and spine, which has mild crushing and tearing to ends. Books has a backward lean. Boards are mildly warped.