Preston Gralla Books

How Wireless Works 2nd Edition How It Works

By Eric Lindley, Preston Gralla

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How Personal Internet Security Works How It Works

By Preston Gralla

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Amazon Fire phone

By Preston Gralla

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Unleash the powers of the Amazon Fire phone with help from technology guru Preston Gralla. Through clear instructions and savvy advice, this fast-paced, engaging guide shows you how to make the mos...

Droid 2

By Preston Gralla

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"...Ready to unleash the Droid 2? This entertaining guide helps you take full command of Motorola's sleek new device to get online, shop, find locations, keep in touch, and much more..."--P. [4] of...

Motorola Xoom

By Preston Gralla

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Looks at the features and functions of the Motorola Xoom, covering such topics as accessing the Internet, setting up an email account, using apps, playing games, playing and managing music, watchin...

Droid X

By Preston Gralla

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An introduction to the Droid X explains how to get the most out of the device, with a hands-on approach to learning the Droid X functions and applications, a review of its features, customization t...

Galaxy S5

By Preston Gralla

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"Get the most out of Samsung's Galaxy S5 smartphone right from the start. With clear instructions from technology expert Preston Gralla, this Missing Manual gives you a guided tour of Samsung's ne...

Amazon Fire phone

By Preston Gralla

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Amazon Fire phone

By Preston Gralla

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Amazon Fire phone

By Preston Gralla

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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.