Leipzig: Frankes Verlag, 1921. Hardcover. [iv] 446p. + 120p., hardbound in clothbacked glossy black boards decorated with modernist marbling, cloth is drab, worn around the rims and has no spine- or cover-titling whatsoever. Text is exclusively German [Fraktur font] two works in one book, pages are somewhat toned, front hinge is cracked and free endsheet is at risk of detachment. Has a period ownership signature (one "Kurt Hoffmann") in pencil. A re-issue of Luxemburg's first book published originally by Frankes in 1913, good-only copy.