1968. First American Edition. 311 pages. No dust jacket. This is an ex-Library book. Green paper covered boards with blue cloth spine. Gilt lettering. Library copy, with expected inserts, stamps and inscriptions. Clean pages with light tanning and mild foxing throughout. Ink stamp inscription to front pastedown, title page and top edges textblock. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces and bumping to corners. Gilt lettering is darkened. Moderate sunning to spine and edges with crushing to spine ends. Visible wear marks to boards.