Jacob A. Zumoff Books

Transnational Communism Across the Americas

By Jacob A. Zumoff, Tony Wood, Marc Becker, Lazar Jeifets, Margaret Power

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Transnational Communism Across the Americas

By Jacob A. Zumoff, Tony Wood, Marc Becker, Lazar Jeifets, Margaret Power

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Communist International and U. S. Communism 1919 1929

By Jacob A. Zumoff

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The Red Thread

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This book tells the story of 15,000 wool workers who went on strike for more than a year, defying police violence and hunger. The strikers were mainly immigrants and half were women. The Passaic te...

Red Thread

By Jacob A. Zumoff

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Red Thread

By Jacob A. Zumoff

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Red Thread

By Jacob A. Zumoff

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Communist International and US Communism 1919 1929

By Jacob Zumoff

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Communist International and Us Communism 1919 1929

By Jacob Zumoff

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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.