Norman L. Macht Books

Rowdy Richard

By Norman L. Macht, Dick Bartell, Norman Macht

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The history of slavery

By Norman L. Macht

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Examines the practice of slavery as it existed in early Mediterranean civilizations, during the Middle Ages, in Africa, among Indians in the Americas, and in the United States.

Roberto Alomar

By Norman L. Macht

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Discusses the personal life and professional career of the talented Puerto Rican-born baseball player, Roberto Alomar.

Composite Guide to Baseball The Composite Guide

By Norman L. Macht

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Grand Old Man of Baseball

By Norman L. Macht

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Grand Old Man of Baseball

By Norman L. Macht

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Connie Mack

By Norman L. Macht

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Football s last iron men

By Norman L. Macht

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The Grand Old Man of Baseball

By Norman L. Macht

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Connie Mack and the Early Years of Baseball

By Connie Mack, Norman L. Macht

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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.