Chris O Brien Books

The New New Economy

By Chris O Brien, Tim McEachern

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Mastering Numbers

By Chris O Brien

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Dashboard

By Chris O Brien

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Designing and Building Dashboard Widgets

By Neil Lee, Chris O Brien

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Never say die

By Chris O Brien

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Of all the medical graduates who dedicated themselves to oncology, few could have been such a livewire as Chris O'Brien. His autobiography, Never Say Die, portrays a man who never would settle for...

Secrets of the Twilight Djinn Collection

By Chris O Brien, John Peragine

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Max and the Azura Kingdom

By Chris O Brien, John Peragine

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Tour de Bathroom

By Chris O Brien

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Here or There

By Chris O Brien

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Max and the Spice Thieves

By Chris O Brien, John Peragine

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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.