Patricia Levy Books

Cathedrals and the church

By Patricia Levy

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Rome Ancient World

By Sean Sheehan, Patricia Levy

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Ancient Rome People Who Made History In...

By Pat Levy

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Causes

By Patricia Levy

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Aftermath of World War I - Hitler and Nazism - How the Holocaust happened - Role of the Allies in furthering the Holocaust - Genocide in more recent times - Explaining the Holocaust - Anti-semitism...

Survival and resistance

By Patricia Levy

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What are the responses of the Germans to Jewish resistance and why were so many Jews betrayed to the German authorities? This is the story of Jews and other people who resisted the Nazi's attempts...

The Fall of the Berlin Wall Days That Shook the World

By Pat Levy

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The Fall of the Berlin Wall Days That Shook the World

By Pat Levy

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Voluntary Groups Young Citizen s Guides

By Pat Levy

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The home front in World War II

By Patricia Levy

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Explores life in various countries during World War II for the ordinary citizens who contributed to war efforts in factories and other venues and who, in come cases, experienced the horrors of war...

The Holocaust Questioning History

By Pat Levy

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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.