Jack Wertheimer Books

Unwelcome strangers

By Jack Wertheimer

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Unwelcome Strangers: East European Jews in Imperial Germany

By Jack Wertheimer

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A people divided

By Jack Wertheimer

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The American Synagogue

By Jack Wertheimer

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The Uses of tradition

By Jack Wertheimer

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How have modern Jews appropriated traditional aspects of their culture and religion to sustain them in the modern world? Twenty-one distinguished scholars address this question by drawing on a rang...

The Uses of Tradition

By Jack Wertheimer

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The new American Judaism

By Jack Wertheimer

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"American Judaism has been buffeted by massive social upheavals in recent decades. Like other religions in the United States, it has witnessed a decline in the number of participants over the past...

The Modern Jewish Experience

By Jack Wertheimer

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Jews in the Center

By Jack Wertheimer

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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.