Julio Patán Books

El libro negro de la izquierda mexicana

By Julio Patan

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Cuba sin Fidel

By Julio Patan

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THE FIRST CUBAN CHRONICLE IN THE NEW ERA WITHOUT FIDEL. The triumph in the 59th of the Revolution and the rise of Fidel Castro to power changed the lives of millions of Cubans, but that was only th...

Pandemia Bizarra

By Julio Patan, Alejandro Rosas

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Morenadas

By Julio Patan, Alejandro Rosas

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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.