Salvador Ordonez Agulla Books

De Trajano a Adriano

By Matthaus Heil, Marieta Horster, Salvador Ordonez Agulla, Ma Del Pilar Gonzalez Conde Puente, Segolene Demougin, Antonio F. Caballos Rufino, Judit Mata Soler, Rosario S. De Castro Camero, Santiago Montero Herrero, Francisco Marco Simon, Gian Luca Gregori, Antonio David Perez Zurita, Enrique Melchor Gil, Sergio Garcia Dils De La Vega, Sabine Lefebvre, Fernando Wulff Alonso, Juan Manuel Abascal Palazon, Stephane Benoist, Patrick Le Roux, Werner Eck, Victor Andres Torres Gonzalez, Jose Carlos Saquete Chamizo, Ma Del Pilar Pavon Torrejon, Christian Witschel, Ma Del Pilar Leon Castro Alonso, Aurelio Padilla Monge, Anthony Alvarez Melero, Juan Francisco Rodriguez Neila

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A 500 anos de la primera vuelta al mundo

By Daniel Rodriguez Blanco, Manuel F. Fernandez Chaves, Jose Carlos Posada Simeon, Salvador Ordonez Agulla, Manuel Romero Tallafigo, Ramon Maria Serrera Contreras, Javier Navarro Luna, Maria Beatriz Vitar Mukdsi, Pablo Emilio Perez Mallaina Bueno, Jose Luis Escacena Carrasco, Emilio Jose Luque Azcona, Carmen Mena Garcia, Fernando Diaz Del Olmo, Rafael M. Perez Garcia, Juan Jose Iglesias Rodriguez, Leandro Alvarez Rey, Maria Jesus Mejias Alvarez, Jose Miranda Bonilla, Victor Fernandez Salinas

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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.