Judith Alter Books

Women of the Old West

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Examines the various roles of women in the Old West, describing the living conditions and opportunities available to those women who broke the stereotypical picture of the tired settler's wife.

Eli Whitney

By Judy Alter

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A biography of the inventor of the cotton gin, whose application of standardized parts to the production of weapons and other machines was a major influence in the development of industry.

Rodeos

By Judy Alter

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Presents a brief history of rodeos, descriptions of the various competitive events and their rules, and discussion of some of the legendary competitors, both men and women.

Oprah Winfrey Life Skills Biographies

By Judy Alter, Judith Alter

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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.