1966. Fourth Impression. 153 pages. This is an ex-Library book. Dust jacket covered in removable plastic wrapper over red cloth. Library copy, with expected inserts and inscriptions. Bright and clean pages with light tanning to text block edges. Binding is firm throughout with minor thumb-marking. Notable scuffing to front endpaper and rear pastedown. Boards have light shelf-wear with corner bumping. Mild crushing to spine ends. Book has forward lean. Boards are mildly warped. Unclipped jacket has light edgewear with tears and creasing. Mild rubbing and marking all over. Library number to spine.