Warren Ellis Books

Before the Authority make their big-screen debut, read the pivotal stories that paved the way to the ground-breaking team's comic book debut!The Authority is slated as a highly anticipated upcoming...

Absolute Transmetropolitan Vol. 3 (2025 Edition)

By Warren Ellis

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Warren Ellis and Darick Robertson's masterwork of gonzo science fiction and political soothsaying is finally available in a majestic Absolute Edition--just as the god algorithms intended!As vital a...

The Authority Book One: DC Compact Comics Edition

By Warren Ellis

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Named by James Gunn as an influence for Gods and Monsters, the first chapter of the new DC Universe film and television slate! This New York Times bestselling story inspires the upcoming film THE A...

Red (2025 Edition)

By Warren Ellis

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In the explosive espionage-thriller RED, Warren Ellis and artist Cully Hamner create a stark tale of revenge!Warren Ellis's fast-paced tale of intrigue and revenge is back in a new edition collecti...

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.