Bill Heldman Books

MCSE: Windows 2000 Network Infrastructure Design Study Guide

By Sybex Inc., William Heldman, Bill Heldman, Michael Storm, LEARNKEY INC.

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Provides coverage of every exam objective, information on designing Windows 2000 network infrastructure, numerous challenging review questions, exam preparation software, including a test engine, c...

MCSE: Windows 2000 Network Infrastructure Design Exam Notes

By William Heldman, Sybex, Bill Heldman, William Heldman, Bill Heldman

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Approach the new MCSE 2000 exam with added confidence by reviewing with MCSE Exam Notes: Windows 2000 Network Design. Not a cram guide or cheat sheet, this innovative review guide provides objectiv...

Mcse: Windows 2000 Core Design Electives E-Trainer

By Robert King, Gary Govanus, Bill Heldman, Ronn Jost

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Prepare for all the MCSE Core Elective exams with the e—trainer. In—depth coverage of all Microsoft's exam objectives in a personalized adaptive format. Features an assessment exam to help you plan...

MCSE Windows 2000 Network Infrastructure Design Exam Notes

By Robert R. King, Gary Govanus, Bill Heldman, Heldman, Bill

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MCSE Windows 2000 Network Infrastructure Design : Study Guide

By Bill Heldman

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MCSE Windows 2000 Network Infrastructure Design : Studiegids

By Bill Heldman

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MCSE: Windows 2000 Network Infrastructure Design学习指南

By Bill Heldman

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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.