John Walters Books

Norfolk Blues

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The Norfolk Blues were in the Civil War from its start, fighting in the land battles for control of the mouth of the Chesapeake Bay. Later, they served with Robert E. Lee's Army of Northern Virgini...

AFC West

By John Walters

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NFC West

By John Walters

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The Northwest Division

By Ted Brock

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Notre Dame Golden Moments

By Walters John, John Walters

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Lebron James The World s Greatest Athletes

By John Walters

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Tim Duncan The World s Greatest Athletes

By John Walters

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Nfc West

By John Walters

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Afc West

By John Walters

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Inside the NFL

By Bob Woods, John Walters, James Jr. Buckley

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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.