Brooks D. Simpson Books

Gettysburg

By Mark Grimsley, Brooks D. Simpson

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Civil War in the East Struggle Stalemate and Victory

By Brooks D. Simpson

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Let Us Have Peace

By Brooks D. Simpson

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Sherman s Civil War

By Jean V. Berlin, Brooks D. Simpson

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The Civil War: The Second Year Told By Those Who Lived It (LOA 221)

By Stephen W Sears

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Set between January 1862 and January 1863, this second installment in the ambitious Civil War series paints an unforgettable portrait of the year that turned a secessionist rebellion into a...

The Civil War: The Third Year Told by Those Who Lived It (LOA 234)

By Brooks D Simpson

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This third volume of the ground-breaking eyewitness narrative that has been called a “masterpiece” traces events from January 1863 to March 1864—a crucial period in the American C...

Civil War in the East

By Brooks D. Simpson

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Ulysses S. Grant

By Gary Gallagher, Brooks D. Simpson

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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.