Roberto Pelta Books

Puro veneno

By Roberto Pelta Fernandez

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El veneno en la historia

By Roberto Pelta

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Guia de alergia para residentes y Atencion Primaria

By M. Gandolfo Cano, Roberto Pelta Fernandez

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100 Consejos Medicos para Vivir con Salud

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Alergias alimentarias

By Roberto Pelta

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Discusses the history, causes, symptoms, and diagnosis of common and rare food allergies and conditions that are often mistaken for allergies, and provides advice on established and controversial t...

PIEL Y ALERGIA

By Roberto Pelta Fernandez

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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.