Sefy Hendler Books

La Renaissance des origines

By Philippe Morel, Sefy Hendler, Florian Metral

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In Western history, the first modernity is not only the age of "Humanism", the "geniuses" of art, the "Great Discoveries" and the "Scientific Revolution", it also marks the advent of an unprecedent...

Gracious and beautiful monster

By Sefy Hendler

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La guerre des arts

By Sefy Hendler

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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.