Valter Longo Books

The Longevity Diet

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The internationally renowned, clinically tested, revolutionary diet program to lose weight, fight disease, and live a longer, healthier life. Can what you eat determine how long, and how well, yo...

La longevite se conquiert des l enfance

By Jerome Nicolas, Valter Longo

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Dieta dlugowiecznosci Polish Edition

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A Dieta da Longevidade Portuguese Edition

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The Longevity Diet

By Valter Longo

Average: 0.00, 0 Ratings

The internationally renowned, clinically tested, revolutionary diet program to lose weight, fight disease, and live a longer, healthier life. Can what you eat determine how long, and how well, yo...

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.