Claudia Koonz Books

"The Nazi conscience is not an oxymoron. In fact, the perpetrators of genocide had a powerful sense of right and wrong, based on civic values that exalted the moral righteousness of the ethnic comm...

The Nazi Conscience

By Claudia Koonz

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Nazi Conscience The

By Claudia Koonz, Mike Pollock

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La Conciencia Nazi The Nazi Conscience

By Claudia Koonz

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Mothers in the Fatherland

By Claudia Koonz

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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.