Matthew Helmke Books

Ubuntu Unleashed 2016 Edition: Covering 15.10 and 16.04

By Matthew Helmke

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Ubuntu Unleashed 2019 Edition Covering 18.04 18.10 19.04 13th Edition

By Matthew Helmke

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The Official Ubuntu Book

By Benjamin Mako Hill

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Humor and Moroccan Culture

By Matthew Helmke

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Nowhere Else to Turn

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There are things that happen in the world that are difficult and sometimes impossible to explain. At times, we are confronted with circumstances or situations over which we have no control. How we...

Ubuntu unleashed

By Andrew Hudson

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Ubuntu unleashed

By Matthew Helmke

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Ubuntu unleashed

By Matthew Helmke

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Ubuntu Unleashed 2014 Edition Covering 13.10 and 14.04 9th Edition

By Matthew Helmke

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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.