Daniel Tollet Books

"Dans les relations franco-polonaises, on peut distinguer, plusieurs épisodes. Le premier fut bref : le 9 mai 1573, Henri de Valois était élu roi de Pologne par une noblesse qui cherchait à éviter...

Etudes sur les terres saintes et les pelerinages dans les religions monotheistes

By Daniel Tollet

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Holy places are common to many religions beyond national or religious affiliation; they are meeting places within the same religion but also places of power and conflict. The notion of holy places...

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.