Jean F. Blashfield Books

Norway

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Describes the geography, plants and animals, history, economy, language, religions, culture, sports and arts, and people of Norway.

Colorado

By Jean F. Blashfield

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Describes the geography, plants and animals, history, economy, language, religions, culture, sports and arts, and people of the state of Colorado.

Virginia

By Jean F. Blashfield

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Describes the geography, plants and animals, history, economy, language, religions, culture, and people of the state of Virginia.

Italy

By Jean F. Blashfield

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Describes the history, geography, plants and animals, economy, language, people and culture of Italy.

Arizona

By Jean F. Blashfield

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Describes the geography, plants and animals, history, economy, language, religions, culture and people of the state of Arizona.

Delaware

By Jean F. Blashfield

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Describes the geography, plants, animals, history, economy, religions, culture, sports, arts, and people of Delaware.

Washington

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Ireland

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Germany

By Jean F. Blashfield

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Presents information on the European country of Germany, including its geography and climate, history, wildlife, economy, government, people, and religion and culture.

Greenland

By Jean F. Blashfield

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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.