Stewart Mark Books

Randall McDaniel

By Stewart Mark

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A brief biography of the Minnesota Vikings offensive lineman.

Tony Meola

By Stewart Mark

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A biography of soccer player Tony Meola, an Italian American who rose to fame in college soccer and was goalie for the U.S. national soccer team in the 1994 World Cup competition.

Jeff Gordon

By Stewart Mark

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A brief biography of the youngest driver to win the Winston Cup title, which he did in 1995 at the age of twenty-four.

Florence Griffith-Joyner

By Stewart Mark

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A biography of the United States Olympic track and field star known as "Flojo."

Frank Thomas

By Stewart Mark

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A biography of Frank Thomas, first baseman for the Chicago White Sox.

Andres Galarraga

By Stewart Mark

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A biography of the slugger from Venezuela, known as the Big Cat, who won the National League championship for most runs batted in and most home runs in 1996.

Brett Hull

By Stewart Mark

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A biography of hockey star Bobby Hull's son, Brett, who has been a leading scorer for the St. Louis Blues.

David Robinson

By Stewart Mark

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A biography of the Naval Academy's star basketball player and member of the 1988 Olympic team who has gone on to play with the San Antonio Spurs.

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.