Allan Friedman Books

Cybersecurity and Cyberwar What Everyone Needs to Know

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Cybersecurity and Cyberwar What Everyone Needs to Know

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Our entire modern way of life fundamentally depends on the Internet. The resultant cybersecurity issues challenge literally everyone. Singer and Friedman provide an easy-to-read yet deeply informat...

Cybersecurity and Cyberwar

By Peter W. Singer, Allan Friedman

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Software Transparency

By Tony Turner, Steve Springett, Chris Hughes, Allan Friedman

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Software Transparency

By Tony Turner, Steve Springett, Chris Hughes, Allan Friedman

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Cybersecurity and Cyberwar

By P. W. Singer, Allan Friedman

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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.