Samuel D. Kassow Books

Who Will Write Our History?

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In 1940, in the Jewish ghetto of Nazi-occupied Warsaw, the Polish historian Emanuel Ringelblum established a clandestine scholarly organization called the Oyneg Shabes to record the experiences of...

Posen Library of Jewish Culture and Civilization Volume 9

By David G. Roskies, Samuel D. Kassow

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Voices from the Warsaw Ghetto

By David G. Roskies, Samuel D. Kassow

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Between Tsar and People

By James L. West, Samuel D. Kassow, Edith W. Clowes

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Mi yikhtov et ha historyah shelanu

By Samuel D. Kassow

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Kto napisze nasza historie

By Samuel D. Kassow

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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.