Eric J. Wittenberg Books

Glory Enough for All

By Eric J. Wittenberg

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Protecting the Flanks

By Eric J. Wittenberg

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Glory enough for all

By Eric J. Wittenberg

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"Glory Enough for All chronicles the battle that resulted when Confederate cavalry pursued and caught their Federal foes at Trevilian Station, Virginia.". "Eric J. Wittenberg tells the stories of...

Little Phil

By Eric J. Wittenberg

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"In Little Phil, historian Eric J. Wittenberg reassesses the war record of a man long considered one of the Union Army's greatest leaders.". "Throughout his life, Phil Sheridan was by all accounts...

The Union Calvary Comes Of Age

By Eric J. Wittenberg

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"In The Union Cavalry Comes of Age, cavalry historian Eric J. Wittenberg debunks the persistent myths that have elevated the reputations of the Confederate "cavaliers" over their Union counterparts...

Glory Enough for All

By Eric J. Wittenberg

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The Union Cavalry Comes of Age

By Eric J. Wittenberg

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Gettysburg s Forgotten Cavalry Actions

By Eric J. Wittenberg, Eric Wittenberg

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PLENTY OF BLAME TO GO AROUND

By Eric J. Wittenberg

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PLENTY OF BLAME TO GO AROUND

By Eric J. Wittenberg

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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.