Jon Harper Books

MY BAD
MY BAD

By Jon Harper, Peter DeWitt

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Minute for Marriage
Minute for Marriage

By Jon Harper, Teresa Harper

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Blue Ridge
Blue Ridge

By Jon Harper

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Twelve-year old Denny, newly arrived in the Blue Ridge Mountains of Georgia with his father, and coping with his mother's tragic death as well as a new environment, meets an orphaned Appalachian bo...

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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.

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