Corrado Roi Books

Dylan Dog 19. Der schwarze Tod.

By Sclavi, Roi

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Dylan Dog El laberinto de Bangor

By Claudio Chiaverotti

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Murder of Crows Tarot

By Corrado Roi, Charles Harrington

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Murder of Crows Journal

By Pietro Alligo, Corrado Roi

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Dark Side of Tarot Kit

By Sasha Graham, Corrado Roi

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Welcome to the dark side of tarot where the masterful illustrations of Corrado Roi and the wisdom of bestselling author Sasha Graham reveal secrets hiding in the shadows of the cards—and in yoursel...

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.