Guillaume Berthon Books

Letres des ysles et terres nouvellement trouvees par les Portugalois

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Vers 1537 paraît à Toulouse un intrigant recueil d'épîtres en vers relatant un voyage à Sumatra effectué par trois Français. Parfaitement fictifs, les récits mêlent l'imaginaire des grandes découve...

L intention du poete

By Guillaume Berthon

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La muse et le compas

By Jean Charles Monferran, Guillaume Berthon

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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.