Grant Hammond Books

Personal Property: Commentary and Materials

By R.G. Hammond

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The Mind of War

By Grant Hammond

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The ideas of US Air Force Colonel John Boyd have transformed American military policy and practice. A first-rate fighter pilot and a self-taught scholar, he wrote the first manual on jet aerial com...

Judicial recusal

By Grant Hammond

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Judicial Recusal

By R. Grant Hammond

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Personal Property: Commentary and Materials

By R. G. Hammond

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Trade secrets

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Ethics on the Ark

By Bryan G. Norton Michael Hutchins Et. Al

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Ethics on the Ark presents a passionate, multivocal discussion—among zoo professionals, activists, conservation biologists, and philosophers—about the future of zoos and aquariums, the...

The Mind of War

By Grant Hammond

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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.