George J Demko Books

Populations At Risk In America

By George J Demko, Michael C. Jackson

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Geographical perspectives in the Soviet Union

By Demko George J.

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Using an integrative approach to international relations, the second edition of Reordering the World returns the "geo" to geopolitical analysis of current global issues. Focusing on key emerging wo...

The Art and Science of Geography

By Vladimir V. Annenkov

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Art and Science of Geography

By V. V. Annenkov, George J. Demko

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Population under Duress

By George J. Demko

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Reordering the World

By George J. Demko

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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.