John E. Stanchak Books

The Visual Dictionary of the American Civil War

By John Stanchak

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Civil War

By John E. Stanchak

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"Discover the horror of slave life, and the Underground Railroad that helped its victims to escape. See the weapons used on the battlefields, from single-shot rifles to powerful Gatling guns. Fin...

Civil War

By John E. Stanchak

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"Discover the horror of slave life, and the Underground Railroad that helped its victims to escape. See the weapons used on the battlefields, from single-shot rifles to powerful Gatling guns. Fin...

Eyewitness Guides

By John STanchak

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Civil War

By John E. Stanchak

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The visual dictionary of the Civil War

By John E. Stanchak

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Text and illustrations present information about various aspects of the Civil War, including the infantry, artillerymen, horse soldiers, sailors, weapons, medical treatment, armored ships, leaders,...

Civil War

By John E. Stanchak

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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.