Benjamin Harper Books

Going bananas

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When a priceless yellow diamond is stolen from the museum, Superman, Batman, and the other Super Friends follow the clues and discover that Gorilla Grodd is using the diamond to create an army of y...

Batman Begins Movie Storybook

By Benjamin Harper

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The ant bully

By Benjamin Harper

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Lucas learns a lesson about bullying when he is pulled into the ant hole he has been tormenting.

Batman Begins Storybook Batman Begins

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Star Wars Folded Flyers

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Going Bananas

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Bug Girl

By Benjamin Harper, Sarah Hines Stephens

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The Clone Trap

By Marvel

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Star Wars

By Benjamin Harper, Claudio Dias

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Star Wars Master Models R2 D2

By Benjamin Harper, Claudio Dias

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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.