Jean F. Blashfield Books

Mines and minie balls

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Describes the various weapons developed and used during the Civil War, such as longarms, handguns, swords, cannons, naval weapons, and mines, and explores that era as the beginning of modern weaponry.

Women at the front

By Jean F. Blashfield

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Explores ways in which the various activities of women during the Civil War altered their role in society and led to new initiatives in women's rights.

Horse soldiers

By Jean F. Blashfield

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Examines the role played by cavalry, or horse soldiers, in both the Union and Confederate armies during the Civil War.

Panama

By Jean F. Blashfield

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This second edition explores the history, economy, geography, religion, customs, and culture of Panama.

Argentina

By Jean F. Blashfield

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This second edition explores the history, geography, economy, religion, customs, and culture of Argentina.

Italy

By Jean F. Blashfield

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This book describes Italy's geography, wildlife, history, government, economy, people, religion, and culture.

Wisconsin

By Jean F. Blashfield

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Describes the history, geography, ecology, people, economy, cities, and sights of the state of Wisconsin, and includes ideas for classroom assignments. This revised third edition takes an updated...

Australia

By Jean F. Blashfield

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Explores the geography, history, arts, religions, and everyday life of the Land Down Under, also called the Lucky Country.

Germany

By Jean F. Blashfield

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Examines the geography, history, and government of Germany, while highlighting its achievements in art, medicine and industry. This revised, second edition explores the history, economy, geography...

Iowa

By Jean F. Blashfield

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Flanked on either side by two of the nation's mightiest rivers, Iowa's fertile rolling hills have made it one of the country's leading sources of agriculture. Readers will discover what grows in Io...

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.