John Passaro Books

Colin Powell

By John Passaro

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Surveys the life and military accomplishments of Colin Powell, as well as his struggles with racial prejudice.

The story of Disney

By John Passaro

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Traces the story of the world-famous Walt Disney Company from its founding to the present and discusses the man responsible for creating it.

The Story of Harley Davidson Spirit of Success

By Hal Rogers, John Passaro

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Describes the origins and growth of the well-known motorcycle manufacturer, Harley-Davidson, chronicling the company's successes and failures over the past ninety years.

Story of Disney Spirit of Success

By John Passaro

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Politicians Activists and Leaders Journey to Freedom The African American Library

By Lucia Raatma, Joseph D. McNair, John Passaro

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Educators and Speakers Journey to Freedom The African American Library

By John Passaro, Don Troy, Cynthia Fitterer Klingel

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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.