Regina Doman Books

Alex O Donnell and the 40 Cyberthieves

By Regina Doman

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Alex O Donnell and the 40 Cyberthieves

By Regina Doman

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Catholic Philosopher Chick Makes Her Debut

By Regina Doman, Rebecca Bratten Weiss

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Habemus Papam Pope Benedict XVI

By Regina Doman

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Over the summer in New York City, seven friars who work with the homeless find a runaway girl named Nora, while Bear Denniston searches for his missing girlfriend, Blanche. Retelling of the story o...

Waking Rose

By Regina Doman

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The Midnight Dancers

By Regina Doman

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The Chestertons and the Golden Key

By Regina Doman, Nancy Carpentier Brown, Ann Kissane Engelhart

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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.