Deborah J. Ross Books

The Heir of Khored

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The third and final volume of The Seven-Petaled Shield series!For Shannivar, warrior of the Azkhantia Steppe, the future is grim. She faces twin threats: the mighty Gelon empire, ruthessly conqueri...

Shannivar

By Deborah J. Ross

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A Kirkus notable new release!Shannivar is a young warrior, skilled in horsemanship and archery and raised by her uncle, the clan chieftain. When all the other young warrior-women have set aside the...

The Alton Gift

By Deborah J. Ross, Marion Zimmer Bradley

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The long-awaited continuation to Marion Zimmer Bradley's popular science fiction Darkover sagaAfter generations of struggle to protect the unique native culture of Darkover from the ambitions of th...

The Children of Kings

By Deborah J. Ross, Marion Zimmer Bradley

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An exciting fantasy adventure set in Marion Zimmer Bradley's popular world of DarkoverCourt life for Prince Gareth Elhalyn, grandson of the legendary Regis Hastur, has become unbearable. In a despe...

The Seven-Petaled Shield

By Deborah J. Ross

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Eons ago, a great king used a magical device—the Seven-Petaled Shield—to defeat the forces of primal chaos, but now few remember that secret knowledge. When an ambitious emperor conquer...

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.