Jeanne De Salzmann Books

Rencontres avec des hommes remarquables

By Jeanne De Salzmann, Georges Ivanovitch Gurdjieff, Henri Tracol

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La realidad del ser

By Jeanne De Salzmann, Consejo Editorial De Ganesha, Fundacion G. I. Gurdjieff Caracas

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The reality of being

By Salzmann Madame De

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The Reality of Being

By Jeanne De Salzmann

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An important book on liberating ourselves from the state of “waking sleep” in which we live our lives, as taught by one of the most influential spiritual teachers of the 20th...

Recits de Belzebuth a Son Petit Fils Volume I

By Georges Ivanovitch Gurdjieff, Henri Tracol, Jeanne De Salzmann

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Recits de Belzebuth a Son Petit Fils Volume II

By Georges Ivanovitch Gurdjieff, Henri Tracol, Jeanne De Salzmann

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La realta dell'essere. La quarta via di Gurdjieff

By Jeanne De Salzmann

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Quantum Questions

By Ken Wilber

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The mystical writings of the world’s great physicists—now in one eye-opening volume that bridges the gap between science and religion Quantum Questions collects the mystical writings of...

The Reality of Being

By Jeanne De Salzmann

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An important book on liberating ourselves from the state of “waking sleep” in which we live our lives, as taught by one of the most influential spiritual teachers of...

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.