Aaron Johnston Books

La Premiere Guerre formique Tome 1 Avertir la terre

By Orson Scott Card, Aaron Johnston

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La tierra desprevenida

By Rafael Marin Trechera, Orson Scott Card, Aaron Johnston

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La tierra en llamas

By Rafael Marin Trechera, Orson Scott Card, Aaron Johnston

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La tierra en llamas

By Orson Scott Card

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La tierra desprevenida

By Orson Scott Card

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The mining ship El Cavador, beyond Pluto, detects a fast-moving incoming object headed toward Earth. The crew decides it's probably not important, but they're wrong: it represents the opening wave...

Earth Afire The First Formic War

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Earth Unaware The First Formic War

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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.