Richard H. Shultz Jr. Books

The Secret War Against Hanoi: Kennedy's and Johnson's Use of Spies, Saboteurs, and Covert Warriors In North Vietnam

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"Based on thousands of pages of recently declassified top-secret SOG [Special Operations Group] documents, as well as interviews with sixty officers who ran SOG's covert programs and the senior off...

Third World Marxist-Leninist Regimes

By Uri Ra Anan

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Marines Take Anbar

By Shultz Richard H. Jr.

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Transforming US Intelligence for Irregular War

By Richard H. Shultz

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Transforming US Intelligence for Irregular War

By Richard H. Shultz

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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.