Daniel J. Leab Books

The auction companion

By Daniel J. Leab

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A union of individuals

By Daniel J. Leab

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I was a communist for the F.B.I.

By Daniel J. Leab

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"The man who loosely provided the inspiration for the B-grade cult movie I Was a Communist for the FBI had a life that was marred by alcoholism, damaged expectations, and greed.". "Leab juxtaposes...

Orwell Subverted

By Daniel J. Leab

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Since its release in 1954, scholars have been aware of the CIA's involvement in the making of the controversial animated motion picture adaptation of George Orwell's 'Animal Farm'. This work gives...

From Sambo to Superspade: The Black experience in motion pictures

By Daniel J Leab

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Communism in China As Reported from Hankow in 1932

By Oliver Edmund Clubb

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From Sambo to Superspade

By Daniel J. Leab

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Labor history archives in the United States

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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.