Dennis Perry Books

Mad Dog and the Coffee Crew

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After being accused of stealing, fifteen-year-old Yakabou is banished from Kolokonde, his village in Benin, West Africa, and sent to live with his grandfather who teaches him the traditional ways o...

Poe the House of Usher and the American Gothic

By Dennis Perry, Carl Sederholm

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Adapting Frankenstein

By Dennis Perry

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Missing in Paradise

By Dennis Perry

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Mad Dog and the Call to Duty

By Everett Perry, Dennis Perry

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Mad Dog and the Call to Duty

By Everett Perry, Dennis Perry

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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.