Stephanie Nicole Phillips Books

Harley Quinn Vol. 3: Verdict

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Harley’s in prison for multiple heinous crimes—but this time, she didn’t do it! Can DC’s most beloved antihero clear her name?Harley’s adventures continue in this all-...

Harley Quinn Vol. 2: Keepsake

By Stephanie Nicole Phillips

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Heya, folks, Harley Quinn here! In case you all haven’t noticed…things have been a little wild lately...I’ll help put fires out around Gotham…literally…and I might...

Harley Quinn Vol. 3

By Stephanie Nicole Phillips

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It’s a whole new year of me, Harley Quinn!I’ve learned the ins and outs of Gotham’s lovely sewage system, and I’ve even made some unexpected friends along the way. I mean, e...

Harley Quinn Vol. 4: Task Force XX

By Stephanie Nicole Phillips

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One small step for the Gotham villains, one giant leap for clown-kind!That’s right…this fashionably vocal clown is headed to space. Turns out there’s some old experiment left in...

Harley Quinn Vol. 1

By Stephanie Nicole Phillips, Riley Rossmo, Gene Ha

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Harley Quinn Vol. 1: No Good Deed

By Stephanie Nicole Phillips

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Harley Quinn returns to Gotham City after The Joker War and has decided to turn over a new leaf and make up for the sins of her past by becoming its newest protector.Harley Quinn here, to let every...

Harley Quinn Vol. 2: Keepsake

By Stephanie Nicole Phillips

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Heya, folks, Harley Quinn here! In case you all haven’t noticed…things have been a little wild lately...I’ll help put fires out around Gotham…literally…and I might...

Wonder Woman: Evolution

By Stephanie Nicole Phillips

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Can Wonder Woman save humanity...without losing her own? The Warrior of Truth defends the human race in this sci-fi epic!Whisked away from Earth by a distant cosmic entity, Wonder Woman is forced 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.