George Friedman Books

"In America's Secret War, George Friedman identifies the United States' most dangerous enemies, delves into presidential strategies of the last quarter century, and reveals the real reasons behind...

The Next 100 Years

By George Friedman

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The next decade

By George Friedman

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Flashpoints The Emerging Crisis in Europe

By George Friedman

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Flashpoints

By George Friedman

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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.