Jeff T. Parker Books

CompTIA CySA Cybersecurity Analyst Certification Bundle

By Brent Chapman, Jeff T. Parker, Fernando Maymi

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CompTIA CySA+ Cybersecurity Analyst Certification Practice Exams (Exam CS0-001)

By Jeff T. Parker, Rogers, Bobby E

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Publisher's Note: Products purchased from Third Party sellers are not guaranteed by the publisher for quality, authenticity, or access to any online entitlements included with the product.Prepa...

Wireshark for Security Professionals Using Wireshark and the Metasploit Framework

By Jessey Bullock

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Wireshark for Security Professionals

By Jessey Bullock, Jeff T. Parker

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Wireshark for Security Professionals

By Jessey Bullock, Jeff T. Parker

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CompTIA A+ Complete Practice Tests: Exam Core 1 220-1001 And Exam Core 2 220-1002

By Jeff T. Parker, Quentin Docter

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Test your knowledge and know what to expect on A+ exam day CompTIA A+ Complete Practice Tests, Second Edition enables you to hone your test-taking skills, focus on challenging areas, and be thorou...

CompTIA a Complete Practice Tests

By Quentin Docter, Jeff T. Parker

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CompTIA a Complete Practice Tests

By Quentin Docter, Jeff T. Parker

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Official ISC 2 Guide to the CISSP CBK Reference

By Mike Vasquez, Mark Graff, John Warsinske, Jeff T. Parker, Sean Murphy

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The Official 2 Guide to the CISSP CBK Reference

By Kevin Henry, David Seidl, Mike Vasquez, Mark G. Graff, C. Paul Oakes, John Warsinske, Jeff T. Parker, Sean Murphy, George Pajari, Christopher Hoover, Ben Malisow

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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.