Greg Schaffer Books

From the Loft

By Greg Schaffer

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Temptations of the innocent

By Greg Schaffer

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"Living with physical pain from a near-fatal war wound and the guilt of a tragedy caused by his carelessness, World War II veteran and young seminarian Albert Whelan finds himself increasingly disi...

At The Pinnacle

By Greg Schaffer, Erika Abraham, Heidi Rieper

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Leaving Darkness

By Greg Schaffer

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Temptations of the Innocent

By Greg Schaffer

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Information Security for Small and Midsized Businesses

By Greg Schaffer

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Information Security for Small and Midsized Businesses

By Greg Schaffer

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Information Security for Small and Midsized Businesses

By Greg Schaffer

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Information Security for Small and Midsized Businesses

By Greg Schaffer

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Forgiveness

By Greg Schaffer

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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.