James Harry Green Books

The Irwin Handbook of Telecommunications, 3rd Edition provides the foundation you'll need to understand the North American telecommunications network. It illustrates how the telecom puzzle pieces f...

The Irwin handbook of telecommunications management

By James H. Green

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The Business One Irwin handbook of telecommunications

By James H. Green

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Telecommunications Projects Made Easy

By Harry Green, James Harry Green

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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.