Carl R. Green Books

Babe Ruth

By William R. Sanford

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The life story of the greatest home-run hitter, Babe Ruth, baseball player extraordinaire.

Jesse Owens

By William R. Sanford

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A biography of the noted black track star, whose record-breaking performances in college and in the 1936 Berlin Olympics assured him a place in sports history.

Jackie Robinson

By William R. Sanford

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A look at the life of the first Afro-American to play major league baseball, a talented athlete also known as a fighter for equal rights.

Dorothy Hamill

By William R. Sanford

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A biography of the 1976 Olympic Gold Medalist in figure skating who originated a maneuver known as the "Hamill Camel."

Sandy Koufax

By William R. Sanford

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Billie Jean King

By William R. Sanford

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A biography of the former tennis champion who worked hard to achieve respect and equality for women in professional tennis.

Joe Namath

By William R. Sanford

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Presents the life and career of football legend Joe Namath.

Troy Aikman

By Carl R. Green

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A biography of Dallas Cowboy hero, Troy Aikman.

Jennifer Capriati Sports Headliners

By Roxanne Ford, Carl R. Green

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Orel Hershiser Sports Headliners

By Carl R. Green

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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.