Gena Showalter Books

Unsterblich verliebt

By Gena Showalter

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Tales of Atlantis - 4 Book Slipcase

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Intertwined

By Gena Showalter

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"Most sixteen-year-olds have friends. Aden Stone has four human souls living inside him: one can time travel, one can raise the dead, one can tell the future, and one can possess another human, and...

Through the Zombie Glass

By Gena Showalter

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After a strange new zombie attack, a terrible darkness blooms inside Alice urging her to do wicked things. She's never needed her team of zombie slayers more--including her boyfriend, Cole--than sh...

Through the Zombie Glass

By Gena Showalter

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The queen of zombie hearts

By Gena Showalter

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Recovering from a sneak attack by Anima Industries that killed four of her friends, Alice "Ali" Bell must fight harder than ever to bring down Anima--even sacrificing her own life for those she lov...

Firstlife

By Gena Showalter

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Tenley "Ten" Lockwood is an average seventeen-year-old girlwho has spent the past thirteen months locked inside the Prynne Asylum. The reason? Not her obsession with numbers, but her refusal to let...

A mad zombie party

By Gena Showalter

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Ali Bell and Cole Holland's crew of zombie slayers thought they'd won the war against Anima Industries, the evil company responsible for capturing and experimenting on zombies in an effort to disco...

Intertwined An Intertwined Novel

By Gena Showalter

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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.