1964. Fourth Printing. 116 pages. This is an ex-Library book. Illustrated dust jacket over illustrated cloth covered boards. Ex-Library copy, with expected inserts, stamps and inscriptions. Pages remain clear with minimal tanning and foxing. Cracking to hinges, no damage to end papers. Some occasional mild cracking to gutters throughout, binding remains reasonably firm. Boards have mild edge-wear with slight rubbing to surfaces. Mild crushing to spine ends. Book has a slight forward lean. Unclipped jacket has light edge-wear with tears and creasing.