Charles F. Gritzner Books

Colombia Modern World Nations

By Charles F. Gritzner

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The United States of America Modern World Nations

By Charles F. Gritzner

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The Mountain West

By Jon T. Kilpinen, Charles F. Gritzner, Terry G. Jordan Bychkov, Terry G. Jordan

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Why does the West - both in the United States and Canada - differ from the East? Scholars have put forward two fundamentally different and contradictory explanations: the West as the displaced, arc...

Guyana in pictures

By Charles F. Gritzner

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Text and illustrations introduce the geography, history, government, people, and economy of the South American republic once known as British Guiana.

Guyana in pictures

By Charles F. Gritzner

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Text and illustrations introduce the geography, history, government, people, and economy of the South American republic once known as British Guiana.

Guyana in pictures

By Charles F. Gritzner

Average: 0.00, 0 Ratings

Text and illustrations introduce the geography, history, government, people, and economy of the South American republic once known as British Guiana.

Mexico

By Charles F. Gritzner

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Changing climates

By Charles F. Gritzner

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Colombia

By Charles F. Gritzner

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Explores the people, culture, history, geography, environment, economy, and government of Colombia.

Mexico

By Charles F. Gritzner

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Presents an overview of the people, geography, history, government, economy, and culture of Mexico.

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.