Andrew Harris Books

Broadway Theatre

By Andrew Harris

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Agression Violence Gen Prac

By Hopkins Harris

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Aggression and Violence in General Practice

By Toni Brisby, Til Wykes, Richard Hobbs, Andrew Harris

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Needs to Know

By Hopkins Harris

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HTML XHTML and CSS all in one desk reference for dummies

By Andy Harris, Andrew Harris

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A single source reference covering the basics of HTML, XHTML, and CSS explains how to integrate Cascading Style Sheets with Hypertext Markup Language and eXtensible Hypertext Markup Language to cre...

Microsoft C programming for the absolute beginner

By Andrew Harris

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Space management

By Harris Andrew.

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Java 2 Fast Easy Web Development w CD Fast Easy Web Development

By Andy Harris

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JavaScript Programming for the Absolute Beginner For the Absolute Beginner Series .

By Andy Harris, 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.