Glen MacNow Books

The Great Book of Philadelphia Sports Lists

By Glen MacNow, Big Daddy Graham

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Sports great Deion Sanders

By Glen Macnow

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Examines the athletic careers of Deion Sanders, who played football for Americas team the Dallas Cowboys, the San Francisco 49ers, and the Atlanta Falcons and baseball for the Atlanta Braves and t...

Sports great Chris Webber

By Glen Macnow

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Examines the life and basketball career of Chris Webber, discussing his successes at the University of Michigan and in the National Basketball Association.

Sports Great Kevin Garnett Sports Great Books

By Glen MacNow

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Sports Great Kobe Bryant Sports Great Books

By Glen MacNow

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Allen Iverson Sports Great Books

By Glen MacNow

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Ken Griffey Jr. star outfielder

By Glen Macnow

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Profiles the personal life and professional career of the centerfielder for the Seattle Mariners, Ken Griffey, Jr.

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.