David V Barrett Books

Tarot Predictions Library

By David V. Barrett

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New Believers: Sects, Cults & Alternative Religions: Sects, Cults and Alternative Religions

By David V. Barrett

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A brief history of secret societies

By David V. Barrett

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Throughout history Man's search for knowledge has revealed strange truths. this title explores the allure and the hidden history of the esoteric religious beliefs and investigates how these societi...

Your Dream Guide Pb

By David V Barrett

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Dreams Destiny

By David V Barrett

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La Numerologie

By David V Barrett

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Le Tarot

By David V Barrett

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Tales from the Vatican Vaults 28 extraordinary stories by Kristine Kathryn Rusch Garry Kilworth Mary Gentle KJ Parker Storm Constantine and many more

By David V. Barrett

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La Chiromancie

By David V. Barrett

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Dreams and destiny

By David V Barrett

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An examination of the world of dreams, and a guide to how we understand their significance, and how to use the ancient tarot and I ching to divine your destiny.

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.