Alvaro Martinez Books

Teen Titans

By Tom Derenick, Noel Rodriguez, Alvaro Martinez, Miguel Mendonca, Scott McDaniel, Will Pfeifer, Scott Lobdell, Greg Pak, Ian Churchill

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"Just as the team begins to determine its new direction, a mind-wiping demon steals the Titans memories! And when Red Robin goes missing, the teen heroes must save the city and also figure out if t...

A Maria el Corazon

By Alvaro Martinez, Pedro Calderon De La Barca

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Beethoven Teosofo

By Mario Roso La Luna, Alvaro Martinez

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Noches oscuras

By Felip Tobar Pastor, Raul Fernandez, John Romita Jr., Kevin Nowlan, Jeff Lemire, Jorge Jimenez, Ivan Reis, Greg Capullo, James Tynion IV, Grant Morrison, Joshua Williamson, Andy Kubert, Mikel Janin, Scott Snyder, Doug Mahnke, Bryan Hitch, Alvaro Martinez, Yanick Paquette, Jim Lee

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Iron Man

By Marvel Comics, Alvaro Martinez, Marcos Marz, Agustin Padilla, Geoffo And Mast Staff

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Haikus en la Duna

By Alvaro Martinez

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Batman: Detective Comics: The Rebirth Deluxe Edition Book 1

By James Tynion IV

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Someone is targeting Batman’s allies in Gotham—young and untested heroes who model themselves after the Dark Knight but don’t yet have his training or resources. With the help of...

Detective Comics

By Eddy Barrows, Alvaro Martinez, James Tynion Iv

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Batman: Detective Comics Vol. 7: Batmen Eternal

By James Tynion IV

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They were the greatest team of crime-fighters Gotham City has ever known. Now that team has been shattered.Clayface is dead, killed by Batwoman after his path to redemption led to disaster. The Bat...

The Nice House on the Lake Vol. 1

By James Tynion IV

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With Something Is Killing the Children and The Department of Truth, James Tynion IV has changed the face of horror in modern comics—now get ready for his most ambitious story yet, alongside...

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.