Tatiana Danina Books

The Future

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The Doctrine of Djwhal Khul Main Occult Laws and Concepts

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The book "Main occult laws and concepts" - is the first in the series. It constitutes a basis, and allows you to rethink many of the scientific concepts and philosophical categories - there are "Sp...

Teaching of Djwhal Khul New Esoteric Astrology 1

By Tatiana Danina, Djwhal Khul

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Teaching of Djwhal Khul Thermodynamics

By Tatiana Danina

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Uchenie Djual Khula Efirnaia Mechanika

By Tatiana Danina, Djwhal Khul

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Uchenie Djual Khula Biologia

By Tatiana Danina, Djwhal Khul

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Teaching of Djwhal Khul the Main Occult Laws and Concepts

By Tatiana Danina

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Back Home into the Sky

By Tatiana Danina, Djwhal Khul

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Uchenie Djual Khula Osnovnye Okkultnue Zakony I Poniatia

By Tatiana Danina, Djwhal Khul

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Domoy Na Nebo

By Tatiana Danina

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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.