Steven O Brien Books

Alexander Hamilton

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A biography of the noted statesman and political leader who extended many bold and creative ideas about government in the early years of the United States.

Ulysses S. Grant

By Steven O Brien

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Follows the life of the war hero who became the eighteenth president of the United States.

Antonio Lopez de Santa Anna

By Steven O Brien

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Examines the life and times of the Mexican general and politician and his role in his country's politics and movement for independence.

Pancho Villa

By Steven O Brien

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Antonio Lopez De Santa Anna Hispanics of Achievement

By Rodolfo Cardona, James D. Cockcroft, Steven O Brien

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Pancho Villa

By Steven O Brien

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Pancho Villa Hispanos Notables

By Steven O Brien

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American political leaders

By Steven O Brien

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Ulysses S. Grant

By Steven O Brien

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Follows the life of the war hero who became the eighteenth president of the United States.

Alexander Hamilton

By Steven O Brien

Average: 0.00, 0 Ratings

A biography of the noted statesman and political leader who extended many bold and creative ideas about government in the early years of the United States.

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.