Philippe Nessmann Books

Le 13 juin 1930, Henri Guillaumet vient de décoller de Santiago du Chili. Le pilote de l'Aéropostale tente à nouveau de transporter le courrier de Santiago à Buenos Aires, en faisant une escale à M...

Decouvertes et inventions 6 8 ans

By Guillaume Decaux, Philippe Nessman

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Au pays des Indiens

By Philippe Nessmann

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Au début du XIXe siècle, Lewis et Clark, des explorateurs, sont envoyés en mission dans l'Ouest américain. Ils rencontrent Toussaint et Sacagawea, une jeune Indienne, qui leur serviront d'interprèt...

Le voyage de Marco Polo

By Philippe Nessmann

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99 experiences

By Charline Zeitoun, Peter Allen, Philippe Nessmann

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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.