James Chellis Books

MCSE

By James Chellis, Charles Perkins, Matthew Strebe

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MCSE

By Monica Lammle, James Chellis, Todd Lammle

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Book includes authoritative coverage of exam topics. First CD includes an exam-preparation program, and the second CD includes live expert MCSE video instruction with hands-on exercises.

MCSE

By Richard Easlick, James Chellis

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MCSE Electives

By Et Al, James Chellis, Matthew Strebe

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CCDA

By Don Porter, James Chellis, Donald Porter, Todd Lammle

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MCSE

By James Chellis, Charles Perkins, Matthew Strebe

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MCSE

By James Chellis, Charles Perkins, Matthew Strebe

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MCSE

By James Chellis, Lisa Donald

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MCSE

By James Chellis, Charles Perkins, Perkins Charles, Matthew Strebe

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MCSE Core Requirements Third Edition Box Set

By Et Al, James Chellis

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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.