Jean F. Blashfield Books

Germany

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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...

Awesome Almanac

By Jean F. Blashfield

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Awesome Almanac

By Jean F. Blashfield

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Toni Morrison Women of Achievement

By Jean Black

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Potassium Sparks of Life

By Jean F. Blashfield

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Iron and the Trace Elements Sparks of Life

By Jean F. Blashfield

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Magnesium Sparks of Life

By Jean F. Blashfield

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Hydrogen Sparks of Life

By Jean F. Blashfield

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Nitrogen Sparks of Life

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.