Hoffman Roy Books

"In Back Home: Journeys through Mobile, Roy Hoffman tells stories - through essays, feature articles, and memoir - of one of the South's oldest and most colorful port cities. Many of the pieces gre...

Chicken dreaming corn

By Hoffman Roy

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"In 1916, on the immigrant blocks of the Southern port city of Mobile, Alabama, a Romanian Jewish shopkeeper, Morris Kleinman, is sweeping his walk in preparation for the Confederate veterans parad...

Data Compression in Digital Systems

By Hoffman Roy

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Data Compression in Digital Systems

By Hoffman Roy

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Data compression is now indispensable to products and services of many industries including computers, communications, healthcare, publishing and entertainment. This invaluable resource introduces...

Data Compression in Digital Systems

By Hoffman Roy

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Come Landfall

By Hoffman Roy

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Back Home

By Hoffman Roy

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Almost Family

By Hoffman Roy

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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.