Gary T. Gardner Books

State of the World 2003

By The Worldwatch Institute

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State of the World 2003

By The Worldwatch Institute

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Inspiring Progress

By Gary Gardner, Gary T. Gardner

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State of the world 2008

By Gary T. Gardner, The Worldwatch Institute

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Examines new technologies and advances from around the world that show promise as a means to create a sustainable global economy and stop the depletion of natural resources and the environment.

Creating sustainable prosperity in the United States

By Gary T. Gardner

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The United States finds itself at a critical juncture, as environmental degradation and resource depletion threaten the capacity of the economy to generate wealth for the indefinite future. Despite...

Nuclear nonproliferation

By Gary T. Gardner

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Nuclear Nonproliferation

By Gary T. Gardner

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State of the World 2015

By The Worldwatch Institute

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Shrinking fields

By Gary Gardner, Gary T. Gardner

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Recycling Organic Waste from Urban Pollutant to Farm Resource Worldwatch paper

By Gary Gardner, Gary T. Gardner, Jane Peterson

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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.