George R. Urban Books

Social and Economic Rights in the Soviet Bloc

By George R. Urban

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What to Listen for in Jazz

By George R. Urban

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Radio Free Europe and the Pursuit of Democracy: My War Within the Cold War

By George R. Urban, G. R. Urban

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A leading expert on East and Central European and Soviet affairs, George R. Urban offers an insider's perspective on the history of Radio Free Europe by drawing on his service during the 1960s and...

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.