Howard Mackie Books

Spider-Man continues his crusade for justice in battles against Electro, Mysterio, Kraven, Venom, the Green Goblin, Carnage, the Ghost, the Hulk, the Thing, and many others.

The Amazing Spider Man

By Todd Dezago

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As Peter Parker hangs near death in the hospital, Ben Reilly fills the role of Spider-Man in New York City, taking on such villains as Swarm, Will O' the Wisp, Dragon Man, and the Lizard.

X Men

By Howard Mackie

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Marvel Firsts

By Chris Cooper, Fabian Nicieza, Howard Mackie, Gregory Wright

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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.