Jean Leveque Books

Une nuit, en 1845, un officier de l'armée française et l'Emir Abd-El-Kader décident de rompre le pacte implicite qui régit les traditions guerrières : l'honneur commande l'affrontement. Or aucun co...

Le fragment

By Jean Leveque

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Recit, desir, mathematique

By Jean Leveque

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Le terme des provenances

By Jean Leveque

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Trilogie

By Jean Leveque

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Le retrait et la nuit dans la tradition philosophique

By Jean Leveque

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Le fragment

By Jean Leveque

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Sabidurias del antiguo Egipto

By Jean Leveque

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Sabidurias de Mesopotamia

By Jean Leveque

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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.