Gregory Michno Books

The Three Battles of Sand Creek

By Gregory Michno

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Dakota Dawn

By Gregory Michno

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Circle the wagons

By Gregory Michno

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"This book examines actual and fictional wagon-train battles and compares them for realism. It also describes how Hollywood portrayed the concept of westward migration, but as the evolving industry...

Death on the Hellships

By Gregory Michno

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The settlers' war

By Gregory Michno

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The settlers war

By Gregory Michno

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Frontiersmen Who Couldn t Shoot Straight

By Gregory Michno

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Forgotten fights

By Gregory Michno

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This book chronicles more than three hundred lesser-known but significant conflicts of the western Indian Wars. It describes not only skirmishes between Indians and the United States Army, but also...

Death on the Hellships

By Gregory Michno

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Death on the Hellships

By Gregory Michno

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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.