Patricia Mulrooney Eldred Books

Rose Kennedy

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A brief biography of the woman who throughout her life was connected with politics as the daughter of the Mayor of Boston, the wife of the United States Ambassador to England, and the mother of pol...

Barbra Streisand

By Patricia Mulrooney Eldred

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A brief biography concentrating on the career of the well-known singer and movie star.

Diana Ross Rock n Pop Stars

By Patricia Mulrooney Eldred, John Keely

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Football's great quarterback, Joe Namath

By Patricia Mulrooney Eldred

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A brief biography focusing on the career of the star quarterback for the New York Jets.

Easy money making projects

By Patricia Mulrooney Eldred

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Suggests ways to earn money by using one's talents. E.g.: pet and plant sitting; running errands; selling plants, baked goods, and crafts; and servicing lawns.

Debby Boone

By Patricia Mulrooney Eldred

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A profile of singer Debby Boone with a glimpse of her relationship with her family.

What happens when we sleep?

By Patricia Mulrooney Eldred

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Briefly describes how an electroencephalograph is used to study sleep and the stages of sleep that everyone follows.

What happens when we sleep?

By Patricia Mulrooney Eldred

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Briefly describes how an electroencephalograph is used to study sleep and the stages of sleep that everyone follows.

Boxing s World Champion

By Patricia M. Eldred

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Kathy Whitworth

By Patricia Mulrooney Eldred

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A brief biography emphasizing the career of the leading lady of golf.

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.