Original boards. 12mo. 402 pages, 19 cm. In Ladino. Title translates to “The Straight Line. ” Originally published in 1705. Features a tribute to Sultan Mahmud on title page. Koidonover was a prominent Kabbalist, rabbi, and ethical writer. Kav ha-Yashar was immensely popular and republished and translated dozens of times before the end of the nineteenth century (Horowitz, 2006) . SUBJECTS: Jewish ethics. Ladino literature. OCLC lists 9 copies worldwide. Vinograd, Constantinople 650; Yaari, 234. Bottom left of title page is missing. Wear to boars. Light soiling to some pages. Bottom margin is creased for first sixth of book causing some loss of text in first pages. Overall Good Condition. (RAB-64-50)