Susan Zannos Books

Careers in the Music Industry Latinos at Work

By Susan Zannos, John Albert Torres

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Latino entrepreneurs

By Susan Zannos

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Describes what it takes to be a successful entrepreneur, whether starting from scratch or buying an existing business, focusing on the unique experiences of Hispanic Americans through profiles of L...

Chester Carlson and the Development of Xerography Unlocking the Secrets of Science

By Susan Zannos

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Edward Roberts and the Story of the Personal Computer Unlocking the Secrets of Science Unlocking the Secrets of Science

By Susan Zannos

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Godfrey Hounsfield and the Invention of Cat Scans Unlocking the Secrets of Science

By Susan Zannos

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Linus Pauling and the Chemical Bond Unlocking the Secrets of Science

By Susan Zannos

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Edwin Hubble and the theory of the expanding universe

By Susan Zannos

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Examines the life and accomplishments of astronomer Edwin Hubble, whose discoveries about the nature and size of the universe solved four central problems in cosmology, one of which formed the basi...

Charles Richter and the Story of the Richter Scale Unlocking the Secrets of Science

By Susan Zannos

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Joseph Pulitzer and the Story Behind the Pulitzer Prize Great Achiever Awards Great Achiever Awards

By Susan Zannos

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Octaviano Larrazolo (Latinos in American History) (Latinos in American History)

By Susan Zannos

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Presents a biography of Octaviano Larrazolo, governor of New Mexico, and the first Hispanic to serve in the United States Senate.

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.