1911. Second revised edition.. 363 pages. No dust jacket. Grey boards with a blue cloth spine. German language copy. Inscriptions to front pastedown and endpaper. Pages are lightly tanned and thumbed at the edges, with some foxing. Binding has remained firm. Boards are a little rub worn with some slight shelf wear to corners, spine and edges. Corners are a little bumped and spine ends are a little crushed. With some tanning to spine and edges.