Rupert Spira Books

Presence, Volume I

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Our self, aware presence, knows no resistance to any appearance and, as such, is happiness itself; like the empty space of a room, it cannot be disturbed and is, therefore, peace itself; like this...

Presence Volume I

By Rupert Spira

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Our self, aware presence, knows no resistance to any appearance and, as such, is happiness itself; like the empty space of a room, it cannot be disturbed and is, therefore, peace itself; like this...

Being aware of being aware

By Rupert Spira

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"Being Aware of Being Aware explores our primary, most intimate and familiar experience: the knowing of our own being, or awareness's knowing of itself in us. However, awareness, or the experience...

The Perfume of Silence

By Francis Lucille, Rupert Spira

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Ser consciente de ser consciente

By Diego Merino Sancho, Rupert Spira

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You Are the Happiness You Seek

By Rupert Spira

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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.