Stephen Koch Books

The Breaking Point

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When American authors John Dos Passos and Ernest Hemingway went to Spain in 1937 to witness the Spanish Civil War firsthand, the devastation they encountered was far from impersonal: As Spain was u...

Louis Jordan

By Stephen Koch

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Hitler s Pawn

By Stephen Koch

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Accidental Sexist

By Stephen Koch, Gary Ford, Jill Armstrong

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Breaking Point

By Stephen Koch

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Shabbiness of Beauty

By Stephen Koch, Peter Hujar, Moyra Davey, Eileen Myles

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From Almeda to Zilphia

By Stephen Koch, Katherine Strause

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La fin de l innocence

By Stephen Koch

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ADIEU A L AMITIE

By Stephen Koch

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El chivo expiatoro de Hitler

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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.