Roderick Gordon Books

Tunnels

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Will, le jeune archéologue, cherche toujours à retrouver son père dans les profondeurs de la terre quand lui et ses amis dégringolent au fond d'un gouffre. Un monde terrifiant s' ouvre alors à eux....

Tunnels Tome 6

By N A

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Tunnels T02 Profondeurs 2 French Edition

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Tunnel - Das Licht Der Finsternis

By Roderick Gordon, Brian Williams

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Hloubeji do PODZEMI

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Volny pad do PODZEMI

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Navrat z PODZEMI

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Utok z Podzemi

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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.