Patricia K. Kummer Books

Alaska

By Patricia K. Kummer

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An overview of the state of Alaska, including its history, geography, people, and living conditions.

Maryland

By Patricia K. Kummer

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Provides an overview of the Old Line State, including its history, geography, people, and living conditions.

Tennessee

By Patricia K. Kummer

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An overview of the state of Tennessee, including its history, geography, people, and living conditions.

Tennessee One Nation

By The Capstone Press Geography Department

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Washington, D.C.

By Patricia K. Kummer

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Provides an overview of the nation's capital, including its history, geography, people, and living conditions.

Wyoming

By Patricia K. Kummer

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Provides an overview of the Cowboy State, including its history, geography, people, and living conditions.

Sports medicine doctor

By Patricia K. Kummer

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Athletic trainer

By Patricia K. Kummer

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The changing climate of Africa

By Patricia K. Kummer

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Find out about the geography, wildlife, people, weather and natural resources of Africa.

The changing climate of Antarctica

By Patricia K. Kummer

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Looks at the geography, wildlife, people, weather, and natural resources of Antarctica, and discusses the effects of climate change on the area and how scientists are trying to manage the changes.

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.