Gary R. Renard Books

The Disappearance of the Universe

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What would you do if you were sitting quietly in your living room when a mysterious couple appeared from out of nowhere—and then told you they were "ascended masters" who had come to reveal s...

The Disappearance of the Universe

By Gary Renard

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Your Immortal Reality

By Gary Renard, Gary R. Renard

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Your Immortal Reality

By Gary R. Renard

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In this fascinating book, Gary Renard and his Ascended Master Teachers, Arten and Pursah, teach you how to integrate advanced spiritual principles into your everyday life.Doing so leads beyond theo...

Love has forgotten no one

By Gary R. Renard

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The lifetimes when Jesus and Buddha knew each other

By Gary R. Renard

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Secrets of the Immortal

By Gary Renard

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Milosc nie zapomniala nikogo

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LA DESAPARICIÓN DEL UNIVERSO

By Gary R. Renard, GARY RENARD, MIGUEL IRIBARREN BERRADE

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El Amor no ha olvidado a nadie

By Alexander Marchand, Gary R Renard

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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.