Joseph T. Glatthaar Books

The march to the sea and beyond

By Joseph T. Glatthaar

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The March to the Sea and Beyond

By Joseph T. Glatthaar

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General Lee s army

By Joseph T. Glatthaar

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A history of the Confederate troops under Robert E. Lee presents portraits of soldiers from all walks of life, offers insight into how the Confederacy conducted key operations, and reveals how clos...

General Lee s Army

By Joseph T. Glatthaar

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General Lee s Army

By Joseph T. Glatthaar

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General Lee s Army

By Joseph T. Glatthaar

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Civil War

By Stephen Engle, Gary Gallagher, Robert Krick, Joseph T. Glatthaar

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Confederate military manuscripts

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The American Civil War

By Josep Glatthaar

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The American Civil War 4 The War In The West 1863 1865 Essential Histories

By Joseph Glatthaar

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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.