Greg Castillo Books

The city assembled

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"Spiro Kostof's previous book, The City Shaped, examined ways in which cities develop through history, treating them as complete entities and analyzing the various categories into which they fall....

The kitchen as political symbol and material reality in the cold war years. Richard Nixon and Nikita Khrushchev's famous “kitchen debate” in 1958 involved more than the virtues of American applianc...

Cold war on the home front

By Greg Castillo

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Cold war on the home front

By Greg Castillo

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Desapariciones Misteriosas

By Greg Castillo

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Hippie modernism

By Andrew Blauvelt

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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.