Patrick Gleason Books

Green Lantern Corps

By Peter J. Tomasi, Patrick Gleason

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Green Lantern

By Patrick Gleason, Geoff Johns

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Robin son of Batman

By Patrick Gleason

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Back from the dead, Damian Wayne is reassessing his life, and that includes being raised and trained by Talia and Ra's al Ghul. To complete that training, he spent a year doing seemingly impossible...

Robin son of Batman

By Patrick Gleason

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"The son of the bat is back! And this time he's bound for Gotham City. Reunited with his man-bat companion Goliath, Damian Wayne has returned to the home of his superhero father and it's not the ha...

Superman Vol. 1: Son Of Superman (Rebirth)

By Peter J. Tomasi

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A great new starting point for the Man of Steel is here in Superman Vol. 1: Son of Superman, part of the most critically acclaimed, best-selling line of volume one graphic novels, DC Univ...

Robin Son of Batman Vol. 2

By Patrick Gleason

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Superman Vol. 2

By Peter J. Tomasi, Patrick Gleason

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1 volume (unpaged) : 26 cm

Superman Vol. 3

By Peter J. Tomasi, Patrick Gleason

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1 volume (unpaged) : 26 cm

Superman Vol. 6

By Peter J. Tomasi, Patrick Gleason

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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.