Matityahu Glazerson Books

Above the Zodiac: Astrology in Jewish Thought uncovers the profound connection between Jewish mysticism and classic astrology by citing the many references scattered throughout Jewish literature to...

The secrets of the Haggadah

By Matityahu Glazerson

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The Torah Codes Israel Today

By Robert M. Haralick, Matityahu Glazerson

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Astrologiia i kabbala

By Matityahu Glazerson

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Rossiia sobiraet svoikh evreev

By John Klier

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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.