Martyna Sobczyk Books

Beuys Kantor Demarco

By Pawel Lopatka, Maria Anna Potocka, Richard Demarco, Joanna Wadas, Alicja Gorgon, Zofia Kalinska, Anda MacBride, Jozef Chrobak, Martyna Sobczyk

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Przemyslaw Jasielski Rainer Prohaska

By Karel Dudesek, Anda MacBride, Agnieszka Sachar, Anna Wolna, Martyna Sobczyk

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Artysci z Krakowa

By Monika Koziol, Anda MacBride, Martyna Sobczyk

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This catalog features works by the following artists: Bogdan Achimescu, Bogusław Bachorczyk, Zbigniew Bajek, Andrzej Bednarczyk, Tamara Berdowska, Tadeusz Boruta, Robert Bubel, Halina Cader, Marek...

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.