Mary Jo O Shea Books

Chicago

By Mary Jo O Shea, John Keely

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A biography of a rock group with a brassy sound whose music has contained political statements for youth.

Laura Baugh

By Mary Jo O Shea

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A brief biography emphasizing the career of professional golfer Laura Baugh.

Winning tennis star

By Mary Jo O Shea

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Focuses on the life of the famous tennis player, who at twenty-one and as a mature player, faces new sets of problems.

Chicago

By Mary Jo O Shea

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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.