Brendan M. Purcell Books

Where is God in Suffering

By Brendan Purcell

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From big bang to big mystery

By Brendan M. Purcell

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From Big Bang to Big Mystery

By Brendan M. Purcell

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There is new and exciting evidence for the 'Big Bang'. This book is about the 'Big Mystery: Where did human beings come from?' It traces the material part of our origins from the Big Bang through e...

The human voyage of self discovery

By Breandan Leahy, David Walsh, Brendan M. Purcell

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Drama of Humanity

By Brendan M. Purcell

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The drama of humanity

By Brendan M. Purcell

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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.