Patrick Gleason Books

Super Sons Omnibus

By Peter J. Tomasi, Patrick Gleason

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Superman

By Peter J. Tomasi, Patrick Gleason

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Blackest Night Omnibus (10th Anniversary)

By Geoff Johns

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The haunting epic that plunged the DC Universe into darkness collected in its entirety for the first time ever! The Blackest Night is now here. As black rings rain from the sky former, friends and...

Young Justice Gemworld

By Patrick Gleason, Brian Michael Bendis

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Batman Robin by Tomasi Gleason Omnibus

By Peter J. Tomasi, Patrick Gleason

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Young Justice Vol. 1

By Patrick Gleason, Brian Michael Bendis

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Harpazo

By Susan Severson Roncone, Patrick Gleason, Cythnia Lynch, E. A. Padilla

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Harpazo

By Susan Severson Roncone, Patrick Gleason, Cythnia Lynch, E. A. Padilla

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Green Lantern Corp Omnibus by Peter J. Tomasi and Patrick Gleason

By Peter J. Tomasi

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Get ready for an amazing new collection of Green Lantern Corp adventures from Peter J. Tomasi and Patrick Gleason!In Green Lantern Corps, a year has passed since the massed ranks of the Green...

Super Sons Omnibus Super Duper Edition

By Peter J. Tomasi

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The Super Sons are back! Superboy and Robin, otherwise known as Jon Kent and Damian Wayne, continue their epic adventures in the Super Sons Omnibus Super Duper Edition!The greatest superheroes of t...

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.