Richard A. Knaak Books

Malfurion Stormrage, first and foremost of the druids on Azeroth, may have fallen victim to the Emerald Nightmare, an area of corruption which is transforming the Emerald Dream into a realm of unim...

Legends of the Dragonrealm Vol. III

By Richard A. Knaak

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World of warcraft

By Richard A. Knaak

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"The age of dragons is over. Uncertainty plagues Azeroth's ancient guardians as they struggle to find a new purpose. This dilemma has hit Kalecgos, youngest of the former Dragon Aspects, especial...

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.