John Chirillo Books

Sun Certified Security Administrator for Solaris 9 & 10 Study Guide

By Edgar Danielyan, John Chirillo

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Networking Lab Practice Kit: For Microsoft And Cisco Systems

By John Chirillo

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The most complete networking lab reference-anywhere! Certification for technical professionals, especially in Microsoft and Cisco technologies, has become a mandatory qualification in the company-h...

Hack Attacks Encyclopedia

By John Chirillo

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WAN Lab Practice

By John Chirillo

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Hack Attacks Testing: How To Conduct Your Own Security Audit

By John Chirillo

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This text offers step-by-step guidance so that an IT professional may test his/her own network security with customized software. John Chirillo provides readers with detailed information on how to...

Hack Attacks Revealed: A Complete Reference for UNIX, Windows, and Linux with Custom Security Toolkit, Second Edition

By John Chirillo

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Hack Attacks Denied

By John Chirillo

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Hack Attacks Revealed

By John Chirillo

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Hack Attacks Denied

By John Chirillo

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Storage Security

By John Chirillo, Scott Blaul

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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.