Brendan Deneen Books

After narrowly escaping a Xenomorph attack and crash landing on the wrong planet, former military man Chris Temple just wants a peaceful life with his daughters. He just needs to deal with the brew...

Morbius: The Living Vampire - Blood Ties

By Brendan Deneen

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Morbius the Living Vampire seeks to end his curse of a thirst for blood, and to stop a demonic cult from unleashing hell on Earth.Seeking to cure his rare blood disorder, Dr. Michael Morbius instea...

Guardians of the Galaxy - Annihilation: Conquest

By BRENDAN DENEEN

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Fans of the Guardians of the Galaxy, those interested in Marvel's cosmic heroes and villains, and readers of space opera.The Kree Empire is knocked back on its heels when the Phalanx, a cybernetic...

Night Night, Groot

By Brendan Deenan Illustrated By Cale Atkinson

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It's been a long day for baby Groot and he's ready to be tucked in for bed. Just as his eyes start to close, Rocket Raccoon bursts onto the scene! Groot can't go to sleep yet, there's a whole galax...

First Day of Groot!

By Brendan Deneen Illustrated By Cale Atkinson

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You'll find adventure at every turn. Now, come on, quick—it's time to learn! Just like the rest of us, Groot's learning that there's a first time (and a first day!) for everything. Follow R...

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.