Jacques Duquennoy Books

Flap Jack and Waddle and the Polar Bear

By Georgie Adams

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Phantom Feast Orchard Paperbacks

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Two Little Penguins Called Flapjack and Waddle

By Georgie Adams

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La croisiere fantome

By Jacques Duquennoy

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Des fantômes partis en croisière à bord du ##Fantomatic## et les activités qui les divertissent au gré des eaux parfois calmes, parfois houleuses de l'océan, puis leur naufrage et leur sauvetage su...

Ile flottante

By Jacques Duquennoy

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Le bateau de deux manchots, Nage-vite et Plonge-bien, est cassé et ils n'ont pas les moyens de le remplacer. Le lendemain, ils se réveillent au milieu de la mer : un morceau de banquise s'est détac...

Ile flottante

By Jacques Duquennoy

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Le moteur du Va-Vite-Et-Bien, bateau de deux gentils pingouins, Nage-Vite et Plonge-Bien, est brisé. Les deux amis s'endorment sur la banquise qui se morcelle. Ils partent à la dérive. Ils rencontr...

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Little Ghost Party

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Snowman Broche

By Collective

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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.