J. Douglas Kenyon Books

Lost powers

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"Every soul has an unconscious knowledge of the ultimate truth of things, a premise long taught by all great spiritual teachers, East and West, regularly experienced by those who follow the spiritu...

Forbidden History: Prehistoric Technologies, Extraterrestrial Intervention, And The Suppressed Origins Of Civilization

By J. Douglas Kenyon

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Challenges the scientific theories on the establishment of civilization and technology • Contains 42 essays by 17 key thinkers in the fields of alternative science and history, including Christophe...

Forbidden religion

By J. Douglas Kenyon

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"Reveals the thread that unites the spiritual paths that have opposed orthodox religion over the centuries and the challenge they provide the status quo"--Provided by publisher.

Forbidden science

By J. Douglas Kenyon

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"Reveals the cutting edge of new science on myriad fronts and shows how established science disallows inquiry based on conjecture--even when it produces verifiable results"--Provided by publisher.

Les histoires interdites

By Anne Confuron, J. Douglas Kenyon

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Les sciences interdites

By J. Douglas Kenyon

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Zakazana historia

By Douglas J. Kenyon

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Ciencia prohibida

By J. Douglas Kenyon

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Historias de la nueva ciencia

By J. Douglas Kenyon

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Paradigm Busters

By J. Douglas Kenyon

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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.