Ellen M Umansky Books

The Fortunate Ones: A Novel

By Ellen Umansky

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Four Centuries of Jewish Women's Spirituality

By Ellen Umansky

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Four Centuries of Jewish Women's Spirituality is the first book-length exploration of Jewish spirituality as seen through the eyes of women. Drawing on archival material that has not been available...

The Fortunate Ones

By Ellen Umansky

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All these vows

By Lawrence A. Hoffman

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The fortunate ones

By Ellen Umansky

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One very special work of art--a Chaim Soutine painting--connects the lives and fates of two different women, generations apart, in a novel that moves from World War II Vienna to contemporary Los An...

Four centuries of Jewish women s spirituality

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.