John Donaghy Books

To Proclaim Peace

By John Donaghy

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Operational Amplifier Circuits

By Brian C. J. Moore, John Donaghy, Brian Moore

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Operational Amplifier Circuits provides a single source of information covering the basic principles of operational amplifier circuits. Operational amplifier applies to a very high gain, differenti...

Peacemaking & The Community Of Faith

By John Donaghy, John A. Donaghy

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Discovering Newcastle Gateshead

By John Donaghy, P.J Donaghy

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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.