1964. No edition remarks. 145 pages. This is an ex-Library book. White dust jacket over blue cloth. Library copy, with minimal inserts and inscriptions. Pages remain bright and clear. Mild tanning to endpapers. Boards have light shelf-wear with corner bumping. Mild tanning to spine and board edges. Unclipped jacket has heavy edgewear with some areas of loss, heavy tears, chips, and creasing. Moderate rubbing and marking all over. Notable water staining to spine.