Andreas Michalsen Books

Medicinal Leech Therapy

By Andreas M.D. Michalsen, Manfred Ph.D. Roth, Gustav M.D. Dobos, Andreas Michalsen

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Heilen mit der Kraft der Natur

By Andreas Michalsen

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Curar con la fuerza de la naturaleza

By Petra Thorbrietz, Lara Cortes Fernandez, Andreas Michalsen

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Nature Cure

By Andreas Michalsen

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The Nature Cure

By Andreas Michalsen

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“Informative . . . I recommend it to practitioners and patients alike.” —Andrew Weil, MD, author of Eight Weeks to Optimum Health and Mind Over MedsInternational bestselling author Dr. Andreas Mich...

The Nature Cure

By Petra Thorbrietz, Andreas Michalsen MD

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Natural Prescription

By Andreas Michalsen

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Natural Prescription

By Andreas Michalsen

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Fasting Fix

By Andreas Michalsen

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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.