Simonson, Louise Books

Superman Returns: The Junior Novel

By Louise Simonson

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The Gauntlet (Justice League (TM))

By Louise Simonson, Simonson, Louise, Fogel, Rich

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The arch-villain Darkseid has captured Wonder Woman and locked her up in a filthy dungeon on the planet Apokolips. He hopes to break her will and use her against Superman and the Justice League. Ro...

Monster magic

By Louise Simonson

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Monster magic

By Louise Simonson

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Batman: Gotham Knight

By Louise Simonson

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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.