Lachman, Gary Books

The Secret Teachers Of The Western World

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**This epic study unveils the esoteric masters who have covertly impacted the intellectual development of the West, from Pythagoras and Zoroaster to the little-known modern icons Jean Gebser and Sc...

In Search of P.D. Ouspensky

By Gary Lachman

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"Little has been known about P. D. Ouspensky, other than that he was a follower of the early twentieth-century esoteric master G. I. Gurdjieff, and that he first disseminated Gurdjieff's unsettling...

Revolutionaries of the soul

By Gary Lachman

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A Dark Muse: A History Of The Occult

By Gary Lachman, Lachman, Gary

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Product Description The occult was a crucial influence on the Renaissance, and it obsessed the popular thinkers of the day. But with the Age of Reason, occultism was sidelined; only charlatans fou...

A Secret History Of Consciousness

By Gary Lachman, Lachman, Gary

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For the last four centuries, science has tried to account for everything in terms of atoms and molecules and the physical laws they adhere to. Recently, this effort was extended to try to include t...

Occulture

By Carl Abrahamsson

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Revolutionaries of the Soul

By Gary Lachman

Average: 0.00, 0 Ratings

Occulture

By Gary Lachman, Carl Abrahamsson

Average: 0.00, 0 Ratings

The Secret Teachers of the Western World

By Gary Lachman

Average: 0.00, 0 Ratings

This epic study unveils the esoteric masters who have covertly impacted the intellectual development of the West, from Pythagoras and Zoroaster to the little-known modern icons Jean Gebser and Schw...

A Dark Muse: A History Of The Occult

By Gary Lachman, Lachman, Gary

Average: 0.00, 0 Ratings

Product Description The occult was a crucial influence on the Renaissance, and it obsessed the popular thinkers of the day. But with the Age of Reason, occultism was sidelined; only charlatans fou...

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.