Harvey J. Kaye Books

Imperialism and Its Contradictions

By Harvey J. Kaye, Harvey Kaye

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The fight for the four freedoms

By Harvey J. Kaye

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On January 6, 1941, the Greatest Generation gave voice to its founding principles, the Four Freedoms: Freedom from want and from fear. Freedom of speech and religion. In the name of the Four Freedo...

The fight for the four freedoms

By Harvey J. Kaye

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The fight for the four freedoms

By Harvey J. Kaye

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FDR on Democracy

By Harvey J. Kaye

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FDR on Democracy

By Harvey J. Kaye

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British Marxist Historians

By Harvey J. Kaye

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British Marxist Historians

By Harvey J. Kaye

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Take Hold of Our History

By Harvey J. Kaye

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La educacion del deseo

By Antonio Dupla Ansuategui, Harvey Kaye

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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.