Warren A. Trest Books

Lucky Tiger combat operations Project CHECO report

By Warren A. Trest

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Khe Sanh

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Air Force Roles And Missions

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Air Commando One

By Warren A. Trest

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Air-dropping agents deep behind enemy lines in clandestine night missions during the Korean War, commanding secret flights into Tibet in 1960 to support the anticommunist guerilla uprising, partici...

Once a fighter pilot

By Warren A. Trest

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Wings of denial

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Nobody But the People

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Air Force Roles and Missions: A History

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Air Commando One

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Khmer Republic at War and the Final Collapse Project Checo Report

By Sak Sutsakhyan

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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.