Andy Oakley Books

Monad (AKA PowerShell): Introducing the MSH Command Shell and Language

By Andy Oakley, Oakley Andy Computer Scientist

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Presents some of the new capabilities that Monad puts into the hands of system administrators and power users, and complements existing Monad documentation

Issues Confronting City State Governments

By Andy Oakley

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Schnelleinstieg in die Windows PowerShell

By Andy Oakley

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Society of Incredible Stories

By Andy Oakley, Mike Oakley

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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.