Andy Walker Books

UNIX TM environment

By A. N. Walker

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Leo Laporte s Guide to Safe Computing

By Leo Laporte

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Absolute beginner s guide to security spam spyware viruses

By Andy Walker

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An introduction to computer security and cyber crime explains how users can protect their bank accounts, digital photographs, music collection, personal identity, and any other information on the P...

Microsoft Windows Vista Help Desk

By Andy Walker

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Windows Lockdown

By Andy Walker

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Super You

By Andy Walker

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You Call This the Future

By Andy Walker, Mark Frary, Nick Sagan

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SDL Trados Studio A Practical Guide

By Andy Walker

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Real life design.

By Ben Barker

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Deals with key aspects of design and technology for 11-14 year olds.

Super Insan Teknoloji Insanligi Yeniden Tanimliyor

By Andy Walker

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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.