John Scalzi Books

The God Engines

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Devoted to the Bishopry Militant and to his crew, ship captain Ean Tephe is given a secret mission to a hidden land.

"In the near future--and sooner than you think--a new virus will sweep the globe. At first it will look like the flu, but then we will discover there is something else about it...something we weren...

The dispatcher

By John Scalzi

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One day, not long from now, it becomes almost impossible to murder anyone 999 times out of a thousand, anyone who is intentionally killed comes back. How? We don't know. But it changes everything:...

The Dispatcher

By John Scalzi

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Miniatures The Very Short Fiction of John Scalzi

By John Scalzi

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Miniatures The Very Short Fiction of John Scalzi

By John Scalzi

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Virtue Signaling and Other Heresies

By John Scalzi

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A Very Scalzi Christmas

By Natalie Metzger, John Scalzi

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24 Frames into the Future

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The Dispatcher

By John Scalzi

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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.