M. John Harrison Books

In M. John Harrison’s dangerously illuminating new novel, three quantum outlaws face a universe of their own creation, a universe where you make up the rules as you go along and break them just as...

Viriconium

By M. John Harrison

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A magnificent city existing on the ringes of the past, and on the brink of destruction, Viriconium • With a foreword by Neil GaimanAvailable to American readers for the first time, this landmark co...

Nova Swing

By M. John Harrison

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Years after Ed Chianese’s fateful trip into the Kefahuchi Tract, the tract has begun to expand and change in ways we never could have predicted—and, even more terrifying, parts of it have actually...

Light

By M. John Harrison

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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.