Gerardo Sandoval Books

Venom is back in his classic form, and deadlier than ever! The symbiote you know and love has returned to New York City. No more 'Agent of the Cosmos.' No more 'Lethal Protector.' It's time for a n...

Sack attack

By Blake A. Hoena

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Mike Bravis and Trenton Kubrick are star defensive linemen on the Eagles, but when they face Jared Michaels of the Bandits, the best offensive lineman in their league, they find that he may be too...

Sack attack!

By Blake A. Hoena

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Mike Bravis and Trenton Kubrick are star defensive linemen on the Eagles, but when they face Jared Michaels of the Bandits, the best offensive lineman in their league, they find that he may be too...

Sports Illustrated Kids Graphic Novels Box: Fall And Winter Sports Set 1

By Gerardo Sandoval, Nel Yomtov, Jose Alfonso Ruiz, Blake A. Hoena, Scott Ciencin, Brandon Terrell, Jessica Gunderson, Jessica Sarah Gunderson, Blake A. Hoena

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100 marvel coediciones 2099. omega

By Damian Couceiro, Jody Houser, Chip Zdarsky, Nick Spencer, Ed Brisson, Francesco Mobili, Jose Carlos Silva, Gerardo Sandoval, Marco Castiello

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Wolverine

By Paul Cornell, Ryan Stegman, Marvel Comics, Gerardo Sandoval

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Guardians 3000

By Dan Abnett, Gerardo Sandoval

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New Avengers

By Al Ewing, Gerardo Sandoval

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Bicycle Justice and Urban Transformation

By Aaron Golub, Gerardo F. Sandoval, Adonia E. Lugo, Melody L. Hoffmann

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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.