1968. Second Printing. 128 pages. This is an ex-Library book. Illustrated dust jacket over grey cloth covered boards. Ex-Library copy, with expected inserts, stamps and inscriptions. Pages remain clear with minimal tanning and foxing. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces. Mild crushing to spine ends. Book has a slight forward lean. Cloth has minor damp and dust stains. Unclipped jacket has light edge-wear with tears and creasing.