Laurent Olivier Books

"The divide that once existed between the past and the present and between the archaeology of distant times and that of recent ones has started to disappear. Excavations are now exploring 20th cent...

Clashes of time

By Jean Marie Blaising, Jan Driessen, Jean Pierre Legendre, Laurent Olivier

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Princesses celtes en Lorraine

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Cesar contra Vercingetorix

By Laurent Olivier, Nuria Duran

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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.