Sean McManus Books

My American struggle for justice in Northern Ireland

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Program a graphical adventure game in this hands-on, beginner-friendly introduction to coding in the Python language.Launch into coding with Mission Python, a space-themed guide to building a compl...

My American struggle for justice in Northern Ireland

By Sean McManus

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My American struggle for justice in Northern Ireland ... and the Holy Land

By Sean McManus

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The customer service pocketbook

By Sean McManus

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Mission Python

By Sean McManus

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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.