Juan Arias Books

Paulo Coelho: Confessions of a Pilgrim
The ultimate dimension
The ultimate dimension

By Juan Arias

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Give Christ back to us!
Give Christ back to us!

By Juan Arias

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Conversations avec Paulo Coelho
Un dieu pour l an 2000
Un dieu pour l an 2000

By Juan Arias

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Bekenntnisse Eines Suchenden.
Bekenntnisse Eines Suchenden.

By Maralde Meyer-Minnemann, Juan Arias, Paulo Coelho, Arias, Juan, Coelho, Paulo, Meyer-Minnemann, Maralde

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Seit Erscheinen des Alchimisten ist er einer der meistgelesenen Autoren der Welt. Einer der beliebtesten, aber auch einer der meistkritisierten. Doch wer kennt Paulo Coelho? Sein Leben liest sich w...

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Gott im dritten Jahrtausend.
Paulo Coelho
Paulo Coelho

By Juan Arias, Paulo Coelho

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La Biblia y Sus Secretos
La Biblia y Sus Secretos

By Juan Arias

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La Magdalena. El ultimo tabu del Cristianismo del Cristianismo Mary Magdalene The Last Christian Taboo

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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.

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