Bob Ray Books

PowerPoint Simple Projects
PowerPoint Simple Projects

By Bob Ray

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Bob Ray Throw a Stereo Spectacular
Modx: The Official Guide
Modx: The Official Guide

By Bob Ray

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MODX is an advanced Open Source Content Management System (CMS). If you are not familiar with the term CMS, think of a word processor for web sites, but on steroids. A CMS will usually provide you...

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Semi Decent
Semi Decent

By Bob Ray

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Broken
Broken

By Bob Ray

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A Bloody Job Well Done, The History of The Royal Australian Navy Helicopter Flight, Vietnam, 1967-1971

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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.

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