Penelope Quest Books

The definitive text on Reiki-for students, practitioners, and Masters alike-from one of the most respected Reiki teachers today. Reiki is a holistic system for balancing, healing, and harmonizing...

Self-Healing with Reiki

By Penelope Quest

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Many people who attend a Reiki workshop learn the basics of self-treatment with Reiki, but few discover its real potential for self-healing. In Self-Healing with Reiki, Penelope Quest explains how...

The Reiki Manual

By Penelope Quest

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"The Reiki Manual: gives detailed instruction in first- level, second-level, and third-level (Master) techniques; includes review questions and activities; contains illustrations of key techniques...

Self-Healing with Reiki

By Penelope Quest

Average: 0.00, 0 Ratings

Many people who attend a Reiki workshop learn the basics of self-treatment with Reiki, but few discover its real potential for self-healing. In Self-Healing with Reiki, Penelope Quest explains how...

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.