John Hanc Books

Organize Your Emotions Optimize Your Life Lib E
The Miles and Trials of a Marathon Goddess
Racing for Recovery
Racing for Recovery

By John Hanc, Todd Crandell

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Manual Practico Del Corredor
Manual Practico Del Corredor

By John Hanc

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Organize Your Emotions Optimize Your Life
Not dead yet
Not dead yet

By Phil Southerland

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"When Phil Southerland was a seven-month-old infant, he had lost ten pounds in a week, his body was limp and his breathing slowed to a sickening wheeze. His mother rushed him to the ER, where she w...

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Ultra Mindset
Ultra Mindset

By John Hanc, Travis Macy

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Jones Beach
Jones Beach

By Ed Lowe, John Hanc

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Fighting for My Life
Fighting for My Life

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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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