Perry Robert L. Books

Owning your home computer

By Perry Robert L.

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Computer crime

By Perry Robert L.

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Examines legal and ethical problems involving computer use, including piracy of hardware and software and the theft of information and electronic funds.

Guide to self-employment

By Perry Robert L.

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Discusses the advantages and disadvantages, and the risks and benefits of having your own business which is your primary source of income.

Artificial intelligence

By Perry Robert L.

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Describes different types of artificial intelligence from heuristic to case-based reasoning and beyond, explores robotics, softbots, and games, and defines how AI relates to computers and humans.

Thermodynamics for engineering technology

By Perry Robert L.

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Focus on nicotine and caffeine

By Perry Robert L.

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Describes the history, effects, social aspects, and physical dangers of using tobacco and caffeine products.

Leadership the Ozarks Way

By Perry Robert L.

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A history of satellite reconnaissance

By Perry Robert L.

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The United States developed the Gambit and Hexagon imagery satellite systems in the 1960's to improve the nation's means for peering over the iron curtain that separated western democracies from Ea...

Comparative Analysis of Nations

By Perry Robert L., John D. Robertson

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Owning Your Home Computer

By Perry Robert L.

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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.