Arpad Galaczi Books

In Charge 1: An Integrated Skills Course For High-Level Students, Second Edition (Student Book) (Bk. 1)

By Diane Pinkley, James E. Purpura, Evelina Dimitrova-Galaczi, Arpad Galaczi

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In Charge 1, Second Edition, by Evelina Dimitrova-Galaczi and Árpád Galaczi. (Consulting Authors: James E. Purpura and Diane Pinkley.) In Charge is a two-level, advanced course with a thematic syll...

In Charge 2 Workbook

By Evelina Dimitrova Galaczi, Arpad Galaczi

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In Charge 1, Second Edition

By Evelina Dimitrova, Arpad Galaczi

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AOU, in Charge: Student Book Pt. 1

By Dimitrova Galaczi

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In Charge

By Evelina Dimitrova Galaczi, Arpad Galaczi

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In Charge 2 Tests

By Evelina Dimitrova Galaczi, Arpad Galaczi

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In Charge 1 Audiocassettes

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In Charge 1 Audio CDs

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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.