Christine Gustafson Books

500 treatments for 100 ailments

By Christine Gustafson, Stephanie Caley, Zhuoling Ren, Geo Espinosa, Beth MacEoin

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All-in-one guide puts everything you need to know about traditional and alternative medicine right at your fingertips. Its authors are leading practitioners in five differetn fields -- conventional...

Ladies & gentle men

By Christine Gustafson

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Guia de medicina alternativa para el dolor

By Christine Gustafson

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"Todos padecemos algún dolor de vez en cuando. Y esta obra nos muestra que además del típico envase de analgésicos, disponemos de alternativas naturales para tratarlo. La Guía de medicina alternati...

Guia de medicina alternativa para ninos

By Christine Gustafson

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Faith Based Organizations and Social Welfare

By Christine Gustafson, Paul Christopher Manuel, Miguel Glatzer

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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.