Title: ספר בן ישי (Sefer Ben Yishai) – Seder Cheshbon Ha’itim (“Order of the Calculation of Times”) • Author: Yehudah Shalom Nissim of Trieste • Publication: Vienna, 1827 (Printed by Anton Strauss) • Language: Hebrew text with introductions and explanatory sections also in Italian • Content: A detailed guide to Jewish calendar calculations, including leap years, moladot (new moon times), solar/lunar cycles, and holiday cycles. Designed to instruct students and leaders in the practical use of astronomy and Torah law for determining the calendar. Special Features: • Early dual-language Judaica work (Hebrew & Italian), a rare survival from the Trieste/Vienna Jewish intellectual world of the early 19th century. • Provenance: The front flyleaf bears a presentation inscription in Italian: “Alla ecc Sig.ra—— Novsa in Trieste, 1827” (To the Most Excellent Lady ——Novsa in Trieste, 1827) This shows it was gifted at the time of publication. • A later inscription notes ownership by S. Carmui, 1857. • Physical Details: • Original marbled boards with later cloth repair at spine. • • Condition: Complete but with expected age wear. Binding worn, with reinforcement; pages browned with some stains and edge wear. Inscriptions visible and legible. Text remains clean and highly readable. Please see photos for details.