George Pell Books

God and Caesar

By George Pell, George Cardinal Pell

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God and Caesar

By George Pell, M. A. Casey

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Test Everything

By Cardinal George Pell

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Gospel of the Family

By S. Kampowski, George Pell, J. J. Perez Soba

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Innocent! That final verdict came after George Cardinal Pell endured a grueling four years of accusations, investigations, trials, public humiliations, and more than a year of imprisonment after be...

Prison Journal Volume 3

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Innocent! That final verdict came after George Cardinal Pell endured a gruelling four years of accusations, investigations, trials, public humiliations, and more than a year of imprisonment after...

Adam and Eve after the Pill Revisited

By Mary Eberstadt, George Pell

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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.