Shlomo Z. Sonnenfeld Books

Voices in the silence

By Shlomo Zalman Sonnenfeld

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Guardian of Jerusalem Ha Ish Al Ha Homah

By Hillel Danziger, Shlomo Z. Sonnenfeld

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Story of Reb Yosef Chaim (ArtScroll youth series)

By Shlomo Zalman Sonnenfeld, Shlomo Z. Sonnenfeld

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Recounts the stories of everyday people, some famous and some unknown, who lived in Jerusalem during the last hundred years.

Tales from Old Jerusalem

By Shlomo Z. Sonnenfeld

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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.