Richard Brightfield Books

The great round-the-world maze trip

By Richard Brightfield

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Thirty-four mazes to solve based on street maps of principal cities and other geographical areas of the world.

Master of Karate

By Richard Brightfield

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The reader's decisions control the course of an adventure in Japan, in which mysterious figures wearing black medieval armor attack the participants in a karate competition.

El Asesino Que Volvio de La Muerte

By Richard Brightfield

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Amazing Mazes

By Richard Brightfield

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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.