Adam Gallardo Books

Return of the Jedi

By Adam Gallardo

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Return of the Jedi

By Adam Gallardo

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Zombified

By Adam Gallardo

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Courtney Hart and her friends spend their time fighting zombies in their Oregon home town during a national epidemic.

Star Wars: Omnibus - Infinities

By Drew Johnson, Adam Gallardo, Chris Warner, Ryan Benjamin, David Land, Davide Fabbri

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Gear School Volume 1

By Adam Gallardo

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In the future, humanity is in a seemingly endless war with an alien race. The struggle is dominated by giant war machines called Gear. Only the best and the brightest are allowed to drive these beh...

Gear School Volume 2

By Adam Gallardo

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In the far future, humanity is caught in an endless war against an alien menace. The struggle is dominated by giant war machines called Gear. Only the best and the brightest are allowed to drive th...

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.