James R. Rothaus Books

New Orlean Saints

By James R. Rothaus

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Buffalo Bills NFL Today

By James R. Rothaus

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Jim Zorn

By James R. Rothaus

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Traces the football career of a quarterback who got his big break when he was signed by the Dallas Cowboys and who later gained superstar status as the moving force behind the Seattle Seahawks.

Earl Campbell

By James R. Rothaus

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A biography of the Houston Oilers' star running back who almost single-handedly turned the Oilers into a team to be contended with.

The St. Louis Cardinals

By James R. Rothaus

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Traces the team's history through sixty-one seasons of play, as the Chicago Cardinals from 1920 through 1959 and as the St. Louis Cardinals since 1960.

M A S H

By James R. Rothaus

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Examines the themes, characters, and popularity of the successful television show that lasted through almost 250 episodes and still lives in reruns.

The Cosby show

By James R. Rothaus

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A brief biography of the ghetto kid who was a high school dropout and now has a PhD in Education and is among America's leading entertainers; and a description of the Cosby Show, the successful com...

Philadelphia Phillies

By James R. Rothaus

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A history of the baseball team that has been playing in Philadelphia since 1883.

Geronimo

By James R. Rothaus

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A biography of the Apache chief who led one of the last great Indian uprisings against the United States Army.

Pontiac

By James R. Rothaus

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Examines the life of the Ottawa warrior who became a great war chief and united his people against the encroachment of the British in the eighteenth century.

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.