Eileen Heyes Books

Tobacco USA

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Describes how the health dangers of tobacco became known, despite the political clout and promotional rhetoric that once kept the tobacco industry thriving.

O Dwyer and Grady Starring in Acting Innocent

By Eileen Heyes

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O Dwyer and Grady Starring in Tough Act to Follow

By Eileen Heyes

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O Dwyer and Grady Starring in the Missing Reel

By Eileen Heyes

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O Dwyer Grady Starring in Tough Act to Follow

By Eileen Heyes

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O'Dwyer & Grady starring in Acting innocent

By Eileen Heyes

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In 1932 New York City, eleven-year-old Billy, child actor, teams up with his new costar Virginia to try to prove that his friend and mentor did not commit murder.

Where the Wind Goes

By Eileen Heyes, Carrie Christensen

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Children of the swastika

By Eileen Heyes

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Describes the Hitler Youth, the state-sponsored youth organization founded by the Nazi regime to train boys and girls ten and older to serve Hitler's government with unquestioning devotion.

Children of the swastika

By Eileen Heyes

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Describes the Hitler Youth, the state-sponsored youth organization founded by the Nazi regime to train boys and girls ten and older to serve Hitler's government with unquestioning devotion.

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.