Carlos Del Valle Books

The artwork of Juan Carlos del Valle (Mexico 1975) exhibited along pieces by Francisco de Goya, Charles Michel, Albrecht Dürer, Johann Wilhelm Cordes and Luigi Calamatta, chosen from the holdings o...

La Misna

By Carlos Del Valle Rodriguez

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Los terremotos de Girona de 1427 en la fuente hebrea Reashim bi gelilot Girona bi shenat 1427 Espana judia

By Carlos Del Valle

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La religiosidad de Benedicto XIII y el conciliarismo

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Written in Spanish and Valencian language I simposio sobre Benedicto XIII Simposio celebrado en Peñíscola del 26 al 28 de septiembre de 2014 Incluye referencias bibliográficas

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.