1969. Sixth Impression. 122 pages. No dust jacket. This is an ex-Library book. Grey illustrated cloth boards with lettering. Ex-Library copy, with expected inserts, stamps and inscriptions. Clean pages with light tanning and mild foxing throughout. More pronounced to free endpapers and pastedowns. Moderate tape marks to pastedowns. Pen annotations and marginalia to a few pages. Binding remains firm. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Lettering is clear. Minor splits to spine ends and corners causing cloth to be frayed. Moderate tanning and wear marks to spine and boards.