1970. No Edition Remarks. 136 pages. This is an ex-Library book. Green dust jacket over blue cloth. Ex-Library copy, with expected inserts, stamps and inscriptions. Binding remains firm. Pages are lightly tanned throughout. Water staining to some pages, text remains unaffected. Boards have light shelf-wear with corner bumping. Slight crushing to spine ends. Unclipped jacket has light edge-wear with minor tears and chipping. Mild rubbing and marking.