Gordon R. Dickson Books

Eckert's daring exploits have earned him a title - Baron de Bois de Malencontri et Riveroak - and he has settled down to a peaceful life as a feudal lord, with his beloved Angela at his side. But a...

The Dragon in Lyonesse

By Gordon R. Dickson

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In this latest of Gordon R. Dickson's adventures of Jim Eckert - the twentieth-century scholar who has come to live in a medieval age where magic works and Jim himself can become a dragon at will -...

The Dragon and the Fair Maid of Kent

By Gordon R. Dickson

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"Since the publication, over two decades ago, of The Dragon and the George, Gordon R. Dickson has entertained readers with his tales of Jim Eckert, the young mathematician who travels to a parallel...

The Final Encyclopedia, Volume One of Two

By Gordon R. Dickson

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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.