Mary Garrison Books

Alcuin and Charlemagne

By Mary Garrison, Janet L. Nelson, Dominic Tweddle

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Slaves who dared

By Mary Garrison

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Describes the lives and times of outstanding African Americans who were born as slaves and went on to accomplish great things: Josiah Henson, Frederick Douglas, William and Ellen Craft, Harriet Ann...

Scandalous Saint

By John Hagee

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Como probar un espiritu

By Mary Garrison

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Your playbook for beating depression

By Cliff Richey

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"Millions of people live with depression every day and it can have a devastating impact on one's life--but know you are not alone. Cliff Richey and Mary Garrison help readers understand, manage, an...

Spoken and Written Language

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"The linguistic situation of medieval Europe has sometimes been characterized as one of diglossia: one learned language, Latin, was used for religion, law, and documents, while the various vernacul...

How to Try a Spirit

By Mary Garrison

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How to Conduct Spiritual Warfare

By Mary Garrison

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3 Keys to the Kingdom

By Mary Garrison

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3 Keys to the Kingdom

By Mary Garrison

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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.