Erik S. Gellman Books

Troublemakers: Chicago Freedom Struggles through the Lens of Art Shay

By Erik S. Gellman, Art Shay

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Troublemakers

By Erik S. Gellman, Art Shay

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The Gospel Of The Working Class Labors Southern Prophets In New Deal America

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The Black Chicago Renaissance

By Darlene Clark Hine, John McCluskey

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" Beginning in the 1930s, Black Chicago experienced a cultural renaissance that lasted into the 1950s and rivaled the cultural outpouring in the Harlem Renaissance of the 1920s. The contributors to...

Black Chicago Renaissance

By Marshanda A. Smith, John McCluskey, Darlene Clark Hine

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The Gospel of the Working Class Working Class in American History Hardcover

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The Black Chicago Renaissance

By John McCluskey, Darlene Clark Hine

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Death blow to Jim Crow

By Erik S. Gellman

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Death Blow to Jim Crow

By Erik S. Gellman

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Death Blow to Jim Crow

By Erik S. Gellman

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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.