Andrew M. Greeley Books

Father Herman Hoffman, a gifted and innocent young priest who, during his first parish appointment, gets swept up in the "Crisis" after witnessing child abuse in the parish rectory. When he reports...

Irish lace

By Andrew M. Greeley

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The cardinal virtues

By Andrew M. Greeley

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Nora Maeve and Sebi

By Andrew M. Greeley

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When the friendly dog from across the street is lost, a little girl sets out to find him with a little help from God.

Angels of September

By Andrew M. Greeley

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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.