Francesco Mattina Books

THUNDERBOLTS: ACCEPTABLE LOSSES

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The end of Norman Osborn’s Dark Reign rocks his team of killers! The ruthless Wolverine foe known only as Mr. X joins the Thunderbolts! He’s just in time to help the squad target former team member...

Spawn

By Francesco Mattina, Todd McFarlane, Jason Shawn Alexander, Szymon Kudranski

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Spawn Enemy of the State

By Francesco Mattina, Todd McFarlane, Jason Shawn Alexander

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DC Poster Portfolio

By Joshua Middleton, Francesco Mattina, Artgerm

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DC Poster Portfolio

By Francesco Mattina

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DC Poster Portfolio

By Francesco Mattina

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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.