Gregory Jordan Books

InSideOut Coaching

By Joe Ehrmann, Paula Ehrmann, Gregory Jordan

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Practical Neo4j

By Gregory Jordan

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Willie Mays Aikens

By Gregory Jordan

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"An intimate portrait of a tortured player, this biography culls interviews, letters, and the personal account of baseball legend Willie Mays Aikens. Touted from a young age as the next Reggie Jack...

Willie Mays Aikens

By Willie Mays Aikens, Gregory Jordan

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Willie Mays Aikens

By Willie Mays Aikens, Gregory Jordan

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Saints Are Coming

By Gregory Jordan

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Willie Mays Aikens

By Willie Mays Aikens, Gregory Jordan

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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.