John Zawacki Books

Revolutions in Russia and China

By Michael Kort, Michael Lustig, John Zawacki

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American Foreign Policy: The Early Years of the Cold War

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The Cold War: A Documentary

By J. Zawacki, John Zawacki

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Covers the long ideological conflict between the communist world and the Western democracies from the end of World War II to the collapse of communism in Europe in 1990.

Revolutions In Russia And China

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REVOLUTIONS IN RUSSIA CHINA C

By Grasso June Kort Michael Tilchin William Zawacki John

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Revolutions in Russia And China

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The Cold War: A Documentary Survey

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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.