Richard Sokolsky Books

The Role of Southeast Asia in U.S. Strategy Toward China

By Richard Sokolsky

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Persian Gulf Security

By Richard Sokolsky

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Nato and Caspian Security

By Richard Sokolsky

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United States and the Persian Gulf

By Richard Sokolsky

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"The presence of U.S. forces in the Persian Gulf, particularly in Saudi Arabia, has been a highly contentious issue in the Arab world since the Persian Gulf War of 1991. While this presence gave th...

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.