1965. Sixth Printing. 256 pages. This is an ex-Library book. Illustrated dust jacket over blue cloth covered boards with gilt. Ex-Library copy, with expected inserts and inscriptions. Pages have mild tanning and foxing throughout, moderate at end-papers, paste-downs and text-block edges. Brown tape marks to end papers. Some occasional mild cracking to gutters throughout however binding remains reasonably firm. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Mild crushing to spine ends. Gilt lettering is bright and clear. Unclipped jacket has light edge-wear with tears and creasing.