Clayton Chun Books

Aerospace Power in the Twenty First Century A Basic Primer

By Clayton Chun

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US Army in the Plains Indian Wars 1865 1891 Battle Orders

By Clayton Chun

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Japan 1945

By Clayton K. S. Chun

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"In this 200th Campaign series title Clayton Chun examines the final stages of World War II as the Allies debated how to bring about the surrender of Japan. Chun not only describes the actual event...

The fall of the Philippines 1941 42

By Clayton K. S. Chun

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The Philippine Islands stood in the way of Japanese expansion in the Pacific, and were therefore an immediate target when war broke out in December 1941. Defended by a mixed Filipino-American force...

Doolittle Raid 1942

By Clayton Chun, Howard Gerrard

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Japan 1945

By Clayton Chun

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Doolittle Raid 1942

By Clayton Chun

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Last Boarding Party the USMC and the SS Mayaguez 1975

By Clayton Chun

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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.