Raven Keyes Books

The healing light of angels

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Reiki master Raven Keyes presents personal accounts of how angels lovingly assist her work with her clients and the spirits of the deceased.

Reiki Medico

By Sheldon Marc Feldman, Raven Keyes, Diego Merino Sancho, Mandy O Hara, Arantxa Barbeira Escauriaza

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The Healing Power Of Reiki A Modern Masters Approach To Emotional Spiritual Physical Wellness

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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.