Leonardo Patrignani Books

Multiversum

By Leonardo Patrignani

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Multiversum

By Leonardo Patrignani

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Alex vit en Italie, Jenny en Australie. Ils ne se sont jamais vus pourtant ils se connaissent depuis toujours, unis par un lien télépathique très fort. Le jour où ils cherchent à se rencontrer, ils...

Multiversum

By Leonardo Patrignani

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Multiversum Tome 1

By Leonardo Patrignani

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Multiversum

By Leonardo Patrignani

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Sanri

By Leonardo Patrignani

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Zaman Taciri

By Leonardo Patrignani

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Zaman Taciri HC

By Leonardo Patrignani

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Telepati 3 Utopya

By Leonardo Patrignani

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Telepati Serisi 3 Kitap Takim

By Leonardo Patrignani

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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.