Stewart Mark Books

Grant Hill

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Examines the career of the star basketball player Grant Hill, from his childhood to his pro career with the Detroit Pistons.

Kordell Stewart

By Stewart Mark

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Presents a biography of the professional football player who, in his first season as starting quarterback, led the Pittsburgh Steelers to the AFC title game.

Mark McGwire

By Stewart Mark

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Presents a biography of the St. Louis Cardinal slugger who broke Roger Maris' single-season home run record in 1998.

Lisa Leslie

By Stewart Mark

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A biography of the player who led the 1996 women's Olympic basketball team to win the gold medal for the United States in Atlanta.

Barry Sanders

By Stewart Mark

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Covers the personal life and football career of the well-known running back for the Detroit Lions.

Jim Abbott

By Stewart Mark

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A biography of the California Angels pitcher who has only one hand.

Chanda Rubin

By Stewart Mark

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A brief biography of the first Afro-American to win the girls twelve-and-under tennis championship.

Emmitt Smith

By Stewart Mark

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A brief biography of the star running back who helped the Dallas Cowboys win Super Bowls in 1993, 1994, and 1996.

Jerry Rice

By Stewart Mark

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Profiles the record-breaking receiver, from his childhood in Mississippi to his success with the San Francisco 49ers.

John Franco

By Stewart Mark

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A brief biography of the All-Star relief pitcher of the New York Mets.

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.