Guy Hart Davis Books

Learn how to tackle more than 150 iMac tasks. Each task-based spread covers a single technique, sure to help you get up and running on your iMac in no time.

IMac portable genius

By Guy Hart Davis

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ILife 11

By Guy Hart Davis

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An overview of the multimedia applications of Apple's iLife covers the fundamentals of iPhoto, iMovie, GarageBand, iWeb, and iDVD--

Word Annoyances

By Guy Hart Davis

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Xp Files

By Guy Hart Davis

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Word 6 for Windows Instant Reference

By Sheila S. Dienes, Guy Hart Davis

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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.