William Marvel Books

The Alabama and the Kearsarge

By William Marvel

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Lee s Last Retreat

By William Marvel

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A Place Called Appomattox

By William Marvel

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The Alabama and the Kearsarge The Sailor s Civil War Civil War America

By William Marvel

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A place called Appomattox

By William Marvel

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"To tell the story of Appomattox Court House, Marvel says, is to tell the history of the South in the Civil War - a struggle that lasted not four years but a lifetime, between the first sectional r...

Fredericksburg

By William Marvel

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The First New Hampshire Battery, 1861-1865

By William Marvel

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Lincoln s autocrat

By William Marvel

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Radical Sacrifice

By William Marvel

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Radical sacrifice

By William Marvel

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"Radical Sacrifice chronicles the life and military career of Union general Fitz John Porter, commander of the Army of the Potomac's Fifth Corps under George McClellan. A highly ranked graduate of...

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.