Megan Brennan Books

Kira and the (Maybe) Space Princess

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Fashionable fights, flashy attacks, and friends that are out of this world! This wacky and funny graphic novel series is a love letter to manga fans. With a tongue in cheek humor and delightfully f...

Kira and the (Maybe) Space Princess

By Megan Brennan

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Kira and the (Maybe) Space Princess

By Megan Brennan

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The amazing world of Gumball. Cheat code

By Megan Brennan

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Cheaters never prosper. But Gumball and Darwin don't know that! While the Watterson boys are grounded, their classmates advance ahead of them in the new, super-popular video game Monster Fight Frie...

The amazing world of Gumball

By Megan Brennan

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Gumball and Anais are forced to choose between letting Mr. Dad and Darwin follow their dream of entering the Annual Elmore Bake-off or save the world, after future Gumball warns them of the reprecu...

Amazing World of Gumball Original Graphic Novel Vol. 1

By Katy Farina, Megan Brennan

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Amazing World of Gumball Original Graphic Novel Vol. 2

By Katy Farina, Megan Brennan

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Amazing World of Gumball Original Graphic Novel

By Kate Sherron, Katy Farina, Megan Brennan

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Amazing World of Gumball OGN Vol. 4

By Megan Brennan

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Amazing World of Gumball Original Graphic Novel

By Nimali Abeyratne, Charlote Chikuto Harrison, Kate Sherron, Meg Casey, Megan Brennan

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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.