John Scalzi Books

You re Not Fooling Anyone When You Take Your Laptop to a Coffee Shop

By John Scalzi

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The Sagan Diary SAGAN DIARY OS

By John Scalzi

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Between 2008 and 2017, author John Scalzi wrote fifteen books, became a New York Times bestselling author, and won numerous awards, including the Hugo, the Locus and the Governor's Award for the Ar...

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.