Trevor Hairsine Books

Judge Dredd

By Mick Austin, Peter Doherty, Carlos Ezquerra, Mark Harrison, Trevor Hairsine, John Wagner

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Ultimate Spider Man Vol. 9

By Mark Bagley, Joe Quesada, Trevor Hairsine, Brian Michael Bendis

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The Green Goblin, Doctor Octopus, Sandman, Electro, and Kraven the Hunter escape from a S.H.I.E.L.D. containment center and want Spider-Man to join them. When he turns them down, will Peter, with t...

X Men

By Ed Brubaker, Trevor Hairsine

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Ultimate Galactus Trilogy

By Steve Epting, Steve McNiven, Trevor Hairsine, Warren Ellis, Tom Raney, Brandon Peterson

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Ultimate Spider Man Vol. 8

By Mark Bagley, Brian Michael Bendis

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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.