Gregory F. Michno Books

USS Pampanito

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"USS Pampanito is the story of a sub and crew that, though they caused plenty of destruction, found the pinnacle of their honor and fame in a dramatic sea rescue. Gregory F. Michno relates the expe...

USS Pampanito

By Gregory F. Michno

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Depredation and Deceit

By Mr. Gregory F Michno

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Lakota Noon The Indian Narrative of Custer s Defeat

By Gregory F. Michno

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Lakota noon

By Gregory Michno

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Encyclopedia of Indian wars

By Gregory Michno

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Battle At Sand Creek

By Gregory F. Michno

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Death on the hellships

By Gregory Michno

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"Though the Japanese treatment of prisoners of war during World War II has been written about before, with this chronicle readers come to appreciate the true dimensions of the Allied POW experience...

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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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.