1973. 4 auflage. 613 pages. Grey slipcase over blue cloth with gilt titles to spine and front. Book is written in German. Upper text block edge blue. Pages have slight foxing, tanning and minor thumbing. A few dog-eared corners. Boards have some moderate edge wear, with slight bumping to corners and minor bumping to spine ends. Boards a little rubbed and marked overall. A few liquid droplet marks. Slipcase has substantial marks, bumped corners and noticeable cracking to joins. Various liquid droplet marks and pencil inscriptions. Heavy sunning. Rusty staples.