Carlos Quintero Books

Catalyst5 Making the Leap from Sales Person to Rainmaker

By Nancy Sutherland Carlos Quintero

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Escribir en Prensa 2a Edicion

By Jose Luis Benavides, Carlos Quintero

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Building a World Class Selling Organization

By Carlos Quintero

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Todos Somos Inmigrantes

By Carlos Quintero

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Rainmaker!

By Carlos Quintero

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RAINMAKER! discloses the top practices of superior producers in the building industry - the people who genuinely make a difference to their customers and have the results to prove it. This easy-to-...

Todos Somos Inmigrantes

By Carlos Quintero

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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.