RARE treatise on Lutheran theology, written by an anonymous author as a reaction against what he perceived as the progressive views put forward by Karl Hase in his "Hutterus Redivivus". The book deals with the nature of God, the nature of Man, and the nature of their connection and interaction. 220x135mm. XX+451 pages. Blue cloth Hardcover with gilt lettering on spine. Cover worn, mainly near edges. Cover corners bumped. Inscription on spine bottom edge. Spine rear hinge and spine edges slightly peeling. Ex-libris and ex-library stickers on endpaper. Several pen inscriptions on front endpaper and whitepage upper edge. Two ex-libris stamps on whitepage. Few pages bottom corner slightly creased. Pages browning, age-stained and wavy. [SUMMARY]: This rare theological treatise is otherwise in good condition.