Susan Zannos Books

Fitness Stars of the Martial Arts

By Susan Zannos

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Female Stars of Nutrition and Weight Control

By Susan Zannos

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Male fitness stars of TV and the movies

By Susan Zannos

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Describes the lives and physical fitness routines of movie stars Sylvester Stallone, John Travolta, Bruce Willis, and Wesley Snipes.

Hollywood Hulk Hogan The Story of Terry Bollea

By Susan Zannos

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Careers in science and medicine

By Susan Zannos

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Explores career possibilities in science and medicine from a Latino perspective, focusing on the unique experiences of Hispanic Americans through interviews.

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.