James R. Rothaus Books

Bears

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Surveys the physical characteristics and different species of bears and examines their future and their relationship to human beings.

Eagles

By John Bonnett Wexo, James R. Rothaus

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An introduction to the physical characteristics, habits, and natural environment of various species of eagles.

The Minnesota Vikings NFL Today Books

By Steve Potts, James R. Rothaus

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Bo Jackson

By James R. Rothaus

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A biography of the man who overcame a childhood of poverty to become one of the great stars of professional baseball and football.

Magic Johnson

By James R. Rothaus

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Describes the life and career of the basketball player who earned his nickname "Magic" in high school because of how well he handled the ball.

Michael Jordan

By James R. Rothaus

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A brief career biography of the talented, seemingly unstoppable, Chicago Bull.

Jose Canseco

By James R. Rothaus

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A biography of the first major league baseball player to hit over forty homeruns and steal over forty bases in a season.

Joe Montana

By James R. Rothaus

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Examines the life and career of the San Francisco 49ers quarterback who is the highest rated passer in the history of the National Football League.

Barry Sanders

By James R. Rothaus

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A biography of the football player who won the Heisman trophy in 1988 and ran for over 3000 yards in his first two professional seasons with the Detroit Lions.

Jennifer Capriati

By James R. Rothaus

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A biography of the exciting tennis player who, in 1990, became the youngest player ever to reach the final in a women's tennis tournament.

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.