The Genizah at the House of Shepher by Tamar Yellin

If you loved "The Ghost of Hannah Mendes" and "The History of Love," this multi-generational family saga is for you! In The Genizah... a family feud over possession of the so-called
Shepher Codex, discovered in the grandparents Genizeh (attic) creates an adventurous mystery. Interesting novel!