Jan Sumner Books

Fat Pitch
Fat Pitch

By Jan Sumner

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Independence, Mantle And Miss Able
Death Camass
Death Camass

By Jan Sumner, Sumner Jan (Author)

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Legacy Of A Monarch
Legacy Of A Monarch

By Jan Sumner

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If You Come To A Bridge - You'Ve Gone Too Far
Once Upon A Time In Baseball
Once Upon A Time In Baseball

By Jan Sumner

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Years after his baseball career was derailed by a violent accident, our national pastime reappeared in his life – and has remained to this day. What follows is his extraordinary journey – baseball...

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Once Upon A Time In Baseball
Once Upon A Time In Baseball

By Jan Sumner

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Prisoner Of Faith
Prisoner Of Faith

By Jan Sumner

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Prisoner Of Faith
Prisoner Of Faith

By Jan Sumner

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VETO Seeking The Presidency Can Be A Killer!

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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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