Charles Lewinsky Books

1871. Cattle-dealer Solomon Meijer has made a reputation for himself as one of the few honest Jews in Endingen, a rare Swiss town in which Jews are allowed to reside. He leads a largely untroubled...

Melnitz

By Charles Lewinsky

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La 4e de couverture indique : "Melnitz renoue avec la tradition du grand roman familial du XIXe siècle tissé de bonheurs et de drames, de succès et d'échecs, d'amours et de convulsions, au gré de l...

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.