Greg Holden Books

EBay PowerUser s Bible

By Greg Holden

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Starting an online business for dummies

By Greg Holden

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Armed with a computer, an Internet connection, and a good idea-- but hesitant to take that first step toward making money online? This guide give you confidence by providing you with essential advi...

Guide to Firewalls and Network Security

By Greg Holden

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Guide to Network Defense and Countermeasures

By Greg Holden

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Macromedia Dreamweaver MX Unleashed

By Matthew Pizzi, Zak Ruvalcaba, Thomas Myer, Greg Holden

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Faster Smarter Microsoft Office FrontPage 2003 Faster Smarter

By William R. Stanek, Greg Holden

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Internet Security

By Greg Holden

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Creating web pages for kids & parents

By Greg Holden

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Small business Internet for dummies

By Greg Holden

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Starting an online business for dummies

By Greg Holden

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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.