Ramon Gonzalvez Ruiz Books

Innovacion y continuidad en la Espana visigotica

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Hombres y libros de Toledo

By Ramon Gonzalvez Ruiz

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La Catedral de Toledo 1549

By Ramon Gonzalvez Ruiz

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Includes the transcription of Blas Ortiz' Summi templi Toletani perquam graphica descriptio, published 1549 in Toledo by Juan de Ayala, as well as the text of the Spanish translation attributed to...

Hispania vetus manuscritos liturgico musicales

By Jose Lopez Calo, Gunilla Iversen, Marco Daniel Duarte, Marius Bernado, Miguel Carlos Vivancos Gomez, Barbara Haggh, M.A Concepcion Penas Garcia, Ludwig Vones, M.A Dolores Barrios Martinez, Maricarmen Gomez Muntane, Shin Nishimagi, Ramon Gonzalvez Ruiz, Elisa Ruiz Garcia, Maria Jose Azevedo Santos, Michel Huglo, Susana Zapke, Susan Boynton, Eva M.A Castro Caridad, Manuel Cecilio Diaz Y Diaz, Miquel S. Gros Pujol

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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.