1945. 4th edition. 94 pages. Tan dust jacket over black cloth with gilt lettering. Translated by Ch'U Ta-Kao. Binding remains firm. Pages remain bright with minimal tanning. Boards have light edge-wear with slight rubbing to surfaces and spine is presentable with minimal crushing and tanning. Boards are slightly bowed. Book has a slight forward lean. Gilt lettering remains bright and clear. Clipped jacket. Jacket has moderate edge-wear with chips, tears, and creasing. Noticeable area of loss to jacket's front panel and spine ends. Visible black markings overall.