Charles Harness Books

Lurid Dreams

By Charles L. Harness

Average: 0.00, 0 Ratings

Lunar Justice

By Charles L. Harness

Average: 0.00, 0 Ratings

The Paradox Men

By Charles L. Harness, Charles Harness, Foreword By Isaac Asimov, Introduction By George Zebrowski, Afterword By Brian Aldiss

Average: 0.00, 0 Ratings

The Paradox Men is a science-fiction classic of its kind - a full-blooded adventure story of derring-do and distressed damsels, set after the Third Great War when North and South America are united...

Krono

By Charles L. Harness

Average: 0.00, 0 Ratings

The Rose

By Charles L. Harness

Average: 0.00, 0 Ratings

Opdrift in paradoxen Monument Een plaag van demonen

By Lloyd Biggle

Average: 0.00, 0 Ratings

De Ring van Ritornel

By Charles Harness

Average: 0.00, 0 Ratings

Afdaling in Dis

By Charles Harness

Average: 0.00, 0 Ratings

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.