Ted Schwarz Books

Joseph P. Kennedy: The Mogul, the Mob, the Statesman, and the Making of an American Myth

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"How far would the brash and ambitious young son of an Irish Catholic saloonkeeper go to prove himself the equal of Boston's disdainful Protestant elite? Joe Kennedy's ruthless and relentless quest...

Kids and Guns

By Schwarz Ted, Ted Schwarz

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Examines the history of guns and gun use, issues of gun ownership and control, and the relationship between guns and violence involving young people.

Kids and Guns: The History, the Present, the Dangers, and the Remedies

By Ted Schwarz

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Beginner's guide to stamp collecting

By Schwarz Ted, Ted Schwarz

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The photographer's guide to using light

By Ted Schwarz

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Power and Greed: Inside the Teamsters Empire of Corruption

By Ted Schwarz, Allen Friedman

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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.