Leland Johnson Books

Toward Competition in Cable Television

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The American Enterprise Institute's Studies in Telecommunications Deregulation present new research on telecommunications policy, with particular emphasis on reforms of federal and state regulatory...

Oak Ridge National Laboratory

By Leland Johnson

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Inaugurated fifty years ago as a key component in the Manhattan Project, Oak Ridge National Laboratory remains one of the nation's premier research institutions. This profusely illustrated volume,...

Oak Ridge National Laboratory

By Leland Johnson

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Inaugurated fifty years ago as a key component in the Manhattan Project, Oak Ridge National Laboratory remains one of the nation's premier research institutions. This profusely illustrated volume,...

Snake Boy

By Leland Robert Johnson

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Price Caps in Telecommunications Regulatory Reform

By Leland Johnson

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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.