Jean Michel Picard Books

The Vision Of Tnugdal

By Jean Michel Picard

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Pronouncing French

By Jean Michel Picard, Vera Regan

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From Carrickfergus to Carcassonne

By Jean Michel Picard, Tadhg O Keeffe, Paul R. Duffy

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"Hinging upon the personal story of a charismatic individual - Hugh de Lacy, earl of Ulster, 'From Carrickfergus to Carcassonne' explores the wider interplay between the Gaelic, Angevin, Capetian a...

Le prince son peuple et le bien commun

By Joelle Quaghebeur, Jean Michel Picard, Herve Oudart

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The Vision of Tnugdal

By Jean Michel Picard

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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.