RARE bilingual Hebrew-German edition of the most important Jewish ethical (musar) text `Mesillat Yesharim` (`Path of the Upright`) by the influential Rabbi Moshe Chaim Luzzatto (1707-1746), considered his magnum opus. 220x145mm. [XXXII+161] + [79] pages. Quarter-cloth marbled board rebound Hardcover. Cover yellowing and rubbed. Cover corners/edges and spine edges bumped and worn/peeling. Spine rubbed. Spine hinges cracked and glued. Inner cover browning and slightly stained/dirty. Pencil notes on pages Hebrew text 2 and 8. Binding slightly visible between pages 18-19. Pages yellowing. [SUMMARY]: This extremely rare bilingual edition of the most important Jewish ethical text of the post-Middle Ages period and one of the most influential texts in Judaism is otherwise in good condition.