Stephen Challis Books

Death before Dishonor

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"There is probably no emblem more maligned and misunderstood. Than the rebel flag .Its detractors claim it represents slavery and oppression its supporters that it stands for freedom and the strugg...

Debarred the Use of Arms

By Stephen Challis

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Long Night

By Stephen Challis

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Dangerous Cargo

By Stephen Challis

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Queen Anne s Curse

By Stephen Challis

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Fragile Hero

By Stephen Challis

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White Silk Scarf

By Stephen Challis

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Killing Zones of America

By Stephen Challis

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Gun Free Killing Zones of America

By Stephen Challis

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Compulsion to Kill

By Stephen Challis

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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.