Andrea Vargas Books

Els invisibles

By Andreu Farras, Imma Santos, Andrea Vargas, Pau Farras, Gemma Varela

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El Eneagrama Quien soy The Enneagram

By Andrea Vargas

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Between Ezra and the Key

By Garet Krane, Andrea Vargas

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Eneagrama, el poder de los instintos Enneagram: The Power of Instinct

By Andrea Vargas

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El Eneagrama es una herramienta milenaria muy útil y poderosa que te ayudará a conocerte mejor, a relacionarte con los demás de forma exitosa y a transformar tu vida. Este libr...

Eneagrama ?Quien soy? Enneagram: Who Am I?

By Andrea Vargas

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Nueve tipos de personalidades que adoptan distintas maneras de sobrevivir, de sentir seguridad, todas válidas y ninguna mejor que otra. Una divertida guía de autoexploración de...

FirstPlay Infant Story Massage

By Janet Courtney, Andrea Vargas

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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.