Deborah J. Ross Books

In the era of The Hundred Kingdoms, a time of war and unrest, King Carolin of Hastur and his friend Keeper Varzil Ridenow work selflessly to put an end to the destruction caused by the long range w...

The Fall of Neskaya

By Deborah J. Ross, Marion Zimmer Bradley

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The Fall of Neskaya, Book One of the Clingfire Trilogy, marks the legendary author's final return to Darkover before her death. Set in the tumultuous era of The Hundred Kingdoms, a terrible time of...

Zandru's Forge

By Deborah J. Ross, Marion Zimmer Bradley

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In the era of The Hundred Kingdoms, a time of war and unrest, a legendary friendship is forged between king and keeper which will lead to a new destiny for Darkover.

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.