Jerry D. Morelock Books

Generals of the Bulge

By Jerry D. Morelock, Carlo D Este, Martin Blumenson

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Generals of the Bulge

By Carlos D Este, Jerry D. Morelock

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Pershing'S Lieutenants: American Military Leadership In World War I

By David T Zabecki, William H. Van Husen, Mark Jackson, Holt D. Theis, Patrick Gregory, Mark Jackson (Undifferentiated), James S. Corum, Jerry D. Morelock, Douglas V. Mastriano, David T. Ząbecki And Douglas V. Mastriano

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Pershing's Lieutenants details the history of the key leaders working for and with the American Expeditionary Forces Commander-in-Chief General John J. Pershing, several of whom went on to become i...

Generals of the Ardennes

By Jerry D. Morelock

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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.