Dr. Manny Alvarez Books

The Checklist: What You and Your Family Need to Know to Prevent Disease and Live a Long and Healthy Life

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The Checklist is organized as a guide to help individuals and families take the right precautions, at the right time in their lives, to avoid the most common health pitfalls and illnesses, and put...

La Lista de Salud: Lo Que Usted y Su Familia Necesita Saber Para Prevenir Enfermedades y Vivir una Vida Larga y Saludable

By Manny Alvarez, Dr. Manny Alvarez

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La Lista de Salud

By Manny Alvarez

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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.