Stewart Mark Books

Dino Radja

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A biography of the Yugoslavian-born basketball player who helped his team win a silver medal in the 1988 Olympics and was chosen by the Boston Celtics in the 1989 NBA draft, but did not begin playi...

Kenny Lofton

By Stewart Mark

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A biography of the base-stealing outfielder for the Cleveland Indians who has won four Golden Gloves in his first five seasons as a major league player.

Monica Seles

By Stewart Mark

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Follows the life of the tennis star who became the youngest winner of a Grand Slam title in over 100 years, from her childhood in Yugoslavia through the traumatic attack during at a match in German...

Randy Johnson

By Stewart Mark

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A biography of the six-foot ten-inch pitcher who in 1995 won the American League Cy Young award for the Seattle Mariners.

Lisa Leslie

By Stewart Mark

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Ramon Martinez

By Stewart Mark

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A biography of the young power pitcher for the Los Angeles Dodgers.

Bernie Williams

By Stewart Mark

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Follows the career path of Bernie Williams, who emerged as a Yankee star in the 1996 playoffs.

Brett Favre

By Stewart Mark

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A biography of the Green Bay Packers' star quarterback who led the team to victory in Super Bowl XXXI.

Tiger Woods

By Stewart Mark

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A biography of Tiger Woods, son of an Asian mother and an African-American father and the youngest golfer to ever win the Masters Tournament.

Ken Griffey, Jr., all-American slugger

By Stewart Mark

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A biography of the centerfielder and power hitter for the Seattle Mariners, who entered professional baseball when he was only seventeen-years-old.

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.