Terence McKenna Books

True Hallucinations: Being an Account of the Author's Extraordinary Adventures in the Devil's Paradise

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A recounting of the author's 1971 journey in the Amazon basin in search of a mythical shamanistic hallucinogen and his experiences after finding it.

The Archaic Revival: Speculations on Psychedelic Mushrooms, the Amazon, Virtual Reality, UFOs, Evolution, Shamanism, the Rebirth of the Goddess, and the End of History

By Terence McKenna

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In these essays, interviews, and narrative adventures, McKenna takes us on a mesmerizing journey deep into the Amazon as well as into the hidden recesses of the human psyche and the outer limits of...

Tripping

By Charles Hayes

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“Provides the much needed ‘coming out of the closet’ that the psychedelic movement has lacked. These stories will captivate, inspire, caution, and educate. This courageous book exceeds expectations...

Food of the Gods

By Terence McKenna

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Food of the gods

By Terence McKenna

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True hallucinations

By Terence McKenna

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Food of the Gods

By Terence McKenna

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The invisible landscape

By O. N Oeric, Dennis J. McKenna

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Chaos creativity and cosmic consciousness

By Rupert Sheldrake

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Sacred Mushroom Seeker

By Thomas J. Riedlinger, Terence McKenna

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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.