Henry E. Mattox Books

Chronology of World Terrorism 1901 2001

By Henry E. Mattox

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A Chronology of United States Iraqi Relations 1920 2006

By Henry E. Mattox

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"The beginning year of the chronicle is when the U.S. was beginning to comprehend the importance of Iraq's abundant oil supplies. The work continues through several major events in U.S.-Iraqi relat...

The twilight of amateur diplomacy

By Henry E. Mattox

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Chronology of World Terrorism 1901 2001

By Henry E. Mattox

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Chronology of World Terrorism 1901 2001

By Henry E. Mattox

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Army football in 1945

By Henry E. Mattox

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Chronology of United States-Iraqi Relations, 1920-2006

By Henry E. Mattox

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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.