Jon M. Spencer Books

Sacred Symphony

By Jon Michael Spencer

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Theological music

By Jon Michael Spencer

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The new colored people

By Jon Michael Spencer

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Most Americans remain oblivious of a new racial phenomenon that may radically alter the political landscape of the United States. In recent years, dramatic increases in racial intermarriage have gi...

The New Colored People

By Jon M. Spencer

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New Colored People

By Richard E. Vander Ross, Jon Spencer

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As the Black school sings

By Jon Michael Spencer

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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.