Denis Medri Books

Pro wrestling's secrets and greatest moments are immortalized in this graphic novel from legendary wrestling personality Jim Cornette!An anthology of true stories, these insider tales will show the...

Dungeons & Dragons: Fell's Five

By John Rogers Andrea Di Vito Denis Medri Horacio Domingues Juanan

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Expand on your gaming experience with this graphic novel that includes three Game Adventures featuring the characters in Fell's Five! Join Adric Fell, the halfling Bree Three-Hands, the dwarf Khal...

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.