Isabel Moreira Books

Heaven's Purge: Purgatory In Late Antiquity

By Isabel Moreira

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Dreams, visions, and spiritual authority in Merovingian Gaul

By Isabel Moreira

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"In early medieval Europe, dreams and visions were believed to reveal divine information about Christian life and the hereafter. No consensus existed, however, as to whether all Christians, or only...

Oxford Handbook of the Merovingian World

By Bonnie Effros, Isabel Moreira

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Balthild of Francia

By Isabel Moreira

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Balthild of Francia

By Isabel Moreira

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Oxford Handbook of the Merovingian World

By Bonnie Effros, Isabel Moreira

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Heaven's Purge: Purgatory in Late Antiquity

By Isabel Moreira

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Hell And Its Afterlife Historical And Contemporary Perspectives

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Dreams Visions and Spiritual Authority in Merovingian Gaul

By Isabel Moreira

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Hell and Its Afterlife

By Margaret Toscano, Isabel Moreira

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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.