Volume, brought to appraisers as afterthought alongside sellers' Harry Potter book, fetches £57,000; illustrated tome may be linked to noted 18th century German rabbi Yaakov Emden

Luzzatto High Holiday Machzor is oldest Hebrew prayerbook ever to be sold at auction; French Jewish organization will use proceeds for education and scholarships

Comparing 6 manuscripts in archives from St. Petersburg to Rome, National Library of Israel's Idan Perez pieces together lost rites of vibrant community that's all but disappeared