Garth Ennis Books

Hitman by Garth Ennis and John McCrea Omnibus Vol. 1

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Ex-military operative Tommy Monaghan has x-ray vision and telepathy.On the back streets of Gotham City, he's set himself up as a hired gun.Surrounded by an odd assortment of friends and allies, the...

Batman: Reptilian

By Garth Ennis

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What strikes fear into the hearts of those who terrorize Gotham? It used to be Batman… But now something far more frightening than a mere man stalks the shadows—and it’s aft...

Boys over the Hills with the Swords of a Thousand Men

By Garth Ennis, Russ Braun

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Johnny Red 1

By Keith Page, Garth Ennis

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Battle Action Volume 2

By Torunn Torunn Gronbekk, Rob Williams, Garth Ennis, Dan Abnett, John Wagner

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Rogue Trooper

By Garth Ennis, Patrick Goddard

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Authority

By Carlos Ezquerra, Garth Ennis

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Hitman

By Garth Ennis, John McCrea

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Johnny Red: Red Devil Rising

By Garth Ennis, Tom Tully Joe Colquhoun

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Continuing the adventures of Johnny Redburn, discharged from the RAF for striking an officer. Taking to the skies in a stolen Hurricane, he meets the Falcon Squadron of the 5th Soviet Air Brigade,...

Hitman

By Garth Ennis

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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.