Christophe Quet Books

Hauteville House

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Year 1864. Victor Hugo heads the Republican resistance against the Empire of Napoleon III from his headquarters in exile, the house of Hauteville House. He puts on a mission of espionage Gabriel Va...

Hauteville House

By Fred Duval

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Hauteville House T09

By DUVAL F GIOUX T QUET

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Hauteville House

By Fred Duval

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Hauteville House

By Fred Duval

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Hauteville House T11

By Thierry Gioux, Fred Duval

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Coffret Travis volumes 1 a 5

By Pierre Schelle, Stephane Rosa, Christophe Quet, Fred Duval

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Travis tome 1

By Christophe Quet, Fred Duval

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Travis tome 2

By Christophe Quet, Fred Duval

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Travis tome 3

By Christophe Quet, Fred Duval

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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.