Wolfgang Hohlbein Books

La fille de l Atlantide

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Mike et ses amis ont quitté l'île oubliée à bord du sous-marin Nautilus échappant ainsi au Capitaine Winterfeld. Au plus profond de l'océan Atlantique, ils découvrent une coupole qui pourrait être...

AU BORD DU GOUFFRE LA CHRONIQUE DES IMMORTELS1

By Elmar H. Wolrath, Pascale Hervieux

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Les catacombes de Vienne

By Wolfgang Hohlbein

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A la recherche du medicus Franz Breiteneck, personnage inquiétant qui pourrait les aider dans la quête de leurs origines, Andrej et Abou Doun, tous deux immortels désormais, se retrouvent dans Vien...

La chronique des immortels T4

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Le Mage de Salem tome 2

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La chronique des immortels T1

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Das Druidentor

By Wolfgang Hohlbein

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Wolfsherz

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Die Kinder von Troja

By Wolfgang Hohlbein

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Der Dagon Zyklus

By Wolfgang Hohlbein

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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.