Jay D. Gregory Books

The Webster Nexus

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Mick Eldritch is the only person to dance the universe to the brink of destruction. Having discovered hes the linchpin in a strange experiment, Mick faces a decisioncling to the life hes always kno...

Cry Of The Phoenix

By Gregory, Jay D, Jay D. Gregory

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A New Threat Is Facing Humanity: A Virus That Grants Immortality To The Afflicted. As The Human Renaissance Virus Touches The Population, Writer Marcus Avery Tries To Make Sense Of A World Grapplin...

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.