Tadeusz Olszanski Books

Budapest

By Olszanski Tadeusz Olszanska Barbara Townsend Helen

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Hungary

By Tadeusz Olszanski, Craig Turp, Barbara Olszanska

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Provides background information on the history, geography, and people of Hungary; describes the major sights, and suggests hotels, restaurants, entertainment, and outdoor activities.

Hungary Eyewitness Travel Guide

By Turp Craig Olszanska Barbara Olszanski Tadeusz

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Budapest

By Tadeusz Olszanski

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Kresy kresow Stanislawow

By Tadeusz Olszanski

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Kresy Kresow. Stanislawow jednak zyje

By Tadeusz Olszanski

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Kresy kresow Stanislawow jednak zyje

By Tadeusz Olszanski

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Ukrainskie stulecie 1914 2014

By Tadeusz Olszanski

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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.