Douglas Niles Books

Golden Orb
Golden Orb

By Douglas Niles

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A Noble Cause
A Noble Cause

By Douglas Niles

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A stirring tribute to the valor and courage of the allied forces in the Vietnam War and a vivid re-creation of hard-won battles from Ia Drang Valley to Khe Sanh and Hamburger Hill…Celebratin...

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The Goddess Worldweaver
The Goddess Worldweaver

By Douglas Niles

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In the mystical realm of the Seven Circles, all races have lived in harmony within their own spheres. Now, in the final installment of this trilogy from author Douglas Niles, they must band togethe...

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Seven Circles 1: Circle at Center
Seven Circles 1: Circle at Center

By Douglas Niles

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In the mystical realm of the Seven Circles, all creatures live in harmony within their own sphere. The noble centaurs live in the forests. The goblins and trolls lurk underground. And in the tranqu...

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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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