Barry O Brien Books

Munster at war

By Barry O Brien

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Portraits in leadership

By Barry O Brien

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Portraits in leadership

By Barry O Brien

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Bali burning

By Barry O Brien

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"Bali Burning is set against a chaotic backdrop of political shifts in the United States, a rising tide of Islamic fundamentalism, and China's drive to increase influence in Indonesia. The two cent...

In the Loop

By Richard Correll, Disney Channel Firm Staff, Barry O Brien, Michael Poryes, Suzanne Harper

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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.