Devan Aptekar Books

How to Train Your Dragon: Befriending a Foe

By Devan Aptekar

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Superman

By Devan Aptekar

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"Darkseid has brainwashed Superman and is using him in his wicked plans to take over Earth! With some help from Batman and Wonder Woman, the man of steel just might be able to stop the fiend and sa...

Webslinger

By Devan Aptekar

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The Batman

By Devan Aptekar

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Hot and cold

By Devan Aptekar

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The Batman C a 2

By Devan Aptekar

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Frostbite

By Michael Anthony Steele, Devan Aptekar

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The Batman

By Devan Aptekar

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Brain Swap Teen Titans

By Devan Aptekar

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Maximum justice

By Devan Aptekar

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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.