Malgorzata Omilanowska Books

Warsaw Eyewitness Travel Guides

By Malgorzata Omilanowska, Jerzy Majewski

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Switzerland

By DK Publishing

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Germany Eyewitness Travel Guides

By DK Publishing

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Packed with photographs, illustrations and detailed maps discover Germany; from the country's beautiful castles and cathedrals to the popular beer halls and festivals. The guide provides all the in...

Berlin

By Omilanowska Malgorzata DK Publishing

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Poland

By Malgorzata Omilanowska, Jerzy S. Majewski, Teresa Czerniewicz Umer

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Presents a travel guide to Poland, featuring places to eat, places to stay, directions, and maps.

Berlin

By Malgorzata Omilanowska

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Poland

By Malgorzata Omilanowska

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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.