Terri Willis Books

Saving Planet Earth

By Terri Willis, Nancy Pauline Bruning, Eileen Lucas

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Cars an environmental challenge

By Terri Willis

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Discusses the environmental damage and safety problems associated with the internal combustion engine, with an emphasis on emissions and air pollution, and examines various solutions and alternativ...

Land use and abuse

By Terri Willis

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Describes the many ways in which human beings harm the land and discusses some possible ways of correcting and preventing these abuses.

Healing the land

By Terri Willis

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Libya

By Terri Willis

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Describes the history, geography, economy, culture, people, and relition of the North African country of Libya.

Romania

By Terri Willis

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

Vietnam

By Terri Willis

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Describes the geography, wildlife, history, government, economy, religion, and culture of Vietnam.

Lebanon

By Terri Willis

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Venezuela

By Terri Willis

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Democratic Republic of the Congo

By Terri Willis

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Discusses the geography and climate, history, wildlife, economy, government, people, religion, and culture of the Congo.

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.