Richard A. Knaak Books

The Reign of Istar

By Margaret Weis, Richard A. Knaak, Michael Williams, Tracy Hickman

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Dragon Hunt

By Kim Jae Hwan, Richard A. Knaak

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It's an epic quest to save the world of Azeroth from the forces of the Undead Scourge! "Warcraft: The Sunwell Triology" chronicles the adventures of Kalec, a blude dragon who has taken human form...

Shadows of Ice WarCraft The Sunwell Trilogy Book 2

By Kim Jae Hwan, Richard A. Knaak

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Ghostlands Warcraft The Sunwell Trilogy Book 3

By Kim Jae Hwan, Richard A. Knaak

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Warcraft Scholastic Exclusive Volume 1

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Frostwing City of Shadows Book 2

By Richard A. Knaak

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The Legend of Huma

By Brian Augustyn, Trampas Whitman, Richard A. Knaak, Sean J. Jordan

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Legends of the Dragonrealm

By Richard A. Knaak

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Black City saint

By Richard A. Knaak

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"For more than sixteen hundred years, Nick Medea has followed and guarded the Gate that keeps the mortal realm and that of Feirie separate, seeking in vain absolution for the fatal errors he made w...

Black City demon

By Richard A. Knaak

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"Since he became the guardian of the Gate between our world and Feirie sixteen hundred years ago, Nick Medea, once Saint George, has battled to keep the darkest Feirie--the Wyld--from invading the...

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.