RARE 16th-century book by the eminent German evangelical theologian and reformer Kaspar Güttel (1471-1542), one of Martin Luther`s oldest friends. This treatise is written in the form of a dialogue between a student, his teacher and a thresher. 210x160mm. Unpaginated 48 double pages. Quarter-cloth newly rebound modern Hardcover. Title page edge stained and slightly missing. Rear whitepage slightly stained. Most page edges water-stained or age-stained - no damage to text. Pages yellowing and wavy. [SUMMARY]: This extremely rare original 16th-century edition of a reformist treatise by one of the foremost representatives of the Protestant Reformation is in good condition for its age.