Patricia K. Kummer Books

Delaware

By Patricia K. Kummer

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Gives an overview of the state of Delaware, including its history, geography, people, and living conditions.

Oklahoma

By Patricia K. Kummer

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An overview of the history, geography, people, and living conditions of the state of Oklahoma.

Rhode Island

By Patricia K. Kummer

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

South Dakota

By Patricia K. Kummer

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

Vermont

By Patricia K. Kummer

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Gives an overview of the state of Vermont, including its history, geography, people, and living conditions.

Alaska

By Patricia K. Kummer

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Provides an overview of the state of Alaska, covering its history, geography, economy, people, and points of interest.

Arkansas

By Patricia K. Kummer

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Provides an overview of the state of Arkansas, covering its history, geography, economy, people, and points of interest.

Delaware

By Patricia K. Kummer

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Provides an overview of the state of Delaware, covering its history, geography, economy, people, and points of interest.

Hawaii

By Patricia K. Kummer

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Provides an overview of the state of Hawaii, covering its history, geography, economy, people, and points of interest.

Idaho

By Patricia K. Kummer

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Provides an overview of the state of Idaho, covering its history, geography, economy, people, and points of interest.

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.