Paul Brennan Books

Written by National Board Public Affairs Director of the National Board of Boiler and Pressure Vessel Inspectors Paul Brennan. The book connects the dots between industrial-size pressure vessels an...

The Art of War Peace and Palaver

By Paul Brennan

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The Art of War for Marital Artists

By Paul Brennan

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Law for It Professionals

By Paul Brennan

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Civilisation irlandaise

By Paul Brennan

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Entrelacs franco irlandais langue memoire imaginaire

By Michael O Dea, Paul Brennan

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Easy IP

By Paul Brennan

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Headless Horseman of Linton

By Paul Brennan

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Chemical and Biological Synthesis

By Gang Yao, Adam Nelson, Herbert Waldmann, Paul Brennan, Nick J. Westwood

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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.