Todd Lammle Books

CCNA wireless study guide IUWNE 640 721

By Todd Lammle

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CCNA

By Todd Lammle

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"The leading CCNA certification guide, fully updated for the newest version of the exam The Cisco Certified Network Associate certification is the first step for network administrators seeking to a...

MCSE TCP IP study guide

By Todd Lammle

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Mastering TCP IP for NT Server

By Mark Minasi

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MCSE test success.

By Todd Lammle

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MCSE test success.

By Todd Lammle

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MCSE--Proxy Server 2 study guide

By Erik Rozell

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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 Exam Notes

By Scott Richardson, Todd Lammle

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CCNA Cisco certified network associate study guide

By Todd Lammle

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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.