Stjepan Sejic Books

Sunstone Vo. l 4
Sunstone Vo. l 4

By Stjepan Sejic

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Witchblade Borne Again Vol. 3
Ixth Generation Vol. 2
Harleen
Harleen

By Stjepan Sejic

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New York Times Bestseller! Dr. Harleen Quinzel has a theory: mental illness is a survival mechanism. As she seeks to help the broken souls of Gotham City piece together their sanity she will become...

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Batman Black & White
Batman Black & White

By Paul Dini

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The world is simple. There's good. There's evil. And there's still...BATMAN BLACK & WHITE!This Eisner Award-winning anthology series returns with all-new tales of mystery, mayhem, and madness from...

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Aladdin Legacy of the Lost
Aladdin Legacy of the Lost
New Battlestar Galactica
Sunstone 03
Sunstone 03

By Stjepan Sejic

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Harleen
Harleen

By Felip Tobar Pastor, Stjepan Sejic

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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.

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