1957. First Edition. 393 pages. Signed by the author. Pink and black jacket over blue cloth with gilt titles to spine. Volume 6 in this series. Signed by the author to front endpaper, with inscription in German. Also includes a signed typed letter to Prof Leonard W Forster of UCL. Pages have slight foxing, tanning and minor thumbing. Pencil inscriptions to front endpaper. Foxing more noticeable towards the start and end of the book and on text block edges. Boards have some moderate edge wear, with slight bumping to corners and minor bumping to spine ends. Gilt is bright. Unclipped jacket has light edgewear with small tears and creasing. Jacket is slightly rubbed and marked overall. Slight water staining to spine.