Andrew Harris Books

Palm Programming for the Absolute Beginner w CD For the Absolute Beginner Series .

By Andy Harris

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Beginning Flash Game Programming For Dummies

By Andy Harris, Andrew Harris

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Ever think you could come up with a better computer game? Here's how to create five different games - no experience necessary! No boring programming theory here, just the stuff you need to know to...

HTML5 for dummies quick reference

By Andrew Harris

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A handy, no-nonsense guide to information about HTML5 and how to use it. Find what you need quickly and make your Web site a winner!

HTML5 and CSS3 all in one for dummies

By Andrew Harris

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Plumas National Forest Trout Fishing Guide

By Andrew Harris

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PHP 5 MySQL Programming for the Absolute Beginner For the Absolute Beginner

By Andy Harris, Andrew Harris

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Connexins

By Andrew Harris

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PHP 6 MYSQL programming for the absolute beginner

By Andrew Harris

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Connexins

By Darren Locke, Andrew Harris

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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.