Jacqueline Penjon Books

Europalia brings together attractions from the various art forms (theater, visual arts, music, literature ... ) each year with a different country and focus. Brazil was chosen for 2011. The texts h...

Paysages de la lusophonie

By Jacqueline Penjon

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Fetes de la cour dans le Royaume et dans l Empire portugais

By Jacqueline Penjon

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La fete dans le monde lusophone

By Jacqueline Penjon

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Le sel de la terre

By Anne Marie Quint, Jacqueline Penjon

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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.