Raven Grimassi Books

For the first time in more than a decade, Grimassi introduces readers to a new system of witchcraft, one that draws upon the old ways and the old days. Rich with spells, rituals, and detailed illus...

Communing with the ancestors

By Raven Grimassi

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Grimoire of the Thorn-Blooded Witch: Mastering the Five Arts of Old World Witchery

By Raven Grimassi

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Grimoire of the Thorn-Blooded Witch: Mastering the Five Arts of Old World Witchery

By Raven Grimassi

Average: 0.00, 0 Ratings

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.