Joanna Olech Books

Une vie de dragon

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C'est la panique dans la famille Zinzin ! Un petit dragon s'est installé chez eux et est bien décidé à faire savoir qui est le chef dans la maison. Il occupe la salle de bains pendant des heures, f...

Kto ty jestes

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Kto ty jestes wydanie drugie

By Edgar Bak Joanna Olech

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Dynastia Miziolkow

By Joanna Olech

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Nieobliczalne owieczki

By Martyna Skibin Ska

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Igualitierra

By Karolina Jaszecka, Joanna Olech, Edgar Bak

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Warszawa

By Weronika Majchrzak, Lukasz Klesyk, Michal Bielawski, Grzegorz Kasdepke, Tina Oziewicz, Maryla Weiss, Weronika Naszarkowska Multanowska, Wojciech Orlinski, Maciej Wojtyszko, Agata Czarnacka, Katarzyna Sowula, Janusz Noniewicz, Ola Cieslak, Tomasz Kwasniewski, Anna Czajkowska, Agnieszka Drotkiewicz, Andrzej Marek Grabowski, Sylwia Chutnik, Joanna Olech, Michal Rusinek, Tomasz Ulanowski, Grazka Lange, Dorota Dobrew, Abel Murcia, Andrzej Bienkowski, Mikolaj Lozinski, Jacek Dehnel, Michal Komar

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Tym razem ci sie upieklo

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Gdzie diabel mowi do uslug

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Pierwsze abecadlo

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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.