Fernando Lopez Sanchez Books

The city and the coin in the ancient and early medieval worlds

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"Cities have tended throughout history to be the preferred location for the minting and circulation of coins and coinage has in turn generally reflected the importance of many of these cities. This...

Compitiendo para los dioses

By Cesar Fornis, Fernando Quesada Sanz, Fernando Lopez Sanchez, Adolfo J. Dominguez Monedero, Alvaro Pereira Delgado, Rocio Gordillo Hervas, Eduardo Ferrer Albelda, Davide Antonio Secci, Jordina Sales Carbonell

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La moneda en la Antiguedad

By Fernando Lopez Sanchez

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War Warlords and Interstate Relations in the Ancient Mediterranean

By Toni Naco Del Hoyo, Fernando Lopez Sanchez

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Coins Riches and Lands

By Fernando Lopez Sanchez, David Martinez Chico, Marisa Bueno

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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.