Gary Gardner Books

Vital Signs 2001

By Lester Russell Brown, The Worldwatch Institute

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State of the World 2004

By Hilary French, Lisa Mastny, Amy Vickers, Janet Sawin, Danielle Nierenberg, Gary Gardner, Sandra Postel, Christopher Flavin, Erik Assadourian, Michael Renner, Radhika Sarin, Brian Halweil, The Worldwatch Institute

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Inspiring Progress

By Gary Gardner, Gary T. Gardner

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"Irrefutable evidence makes it clear that we are headed for massive human misery as our planet's health rapidly worsens, yet we fail to respond in a rational, meaningful way. There Is Still Time sh...

Sixteen Dimensions of the Population Problem Worldwatch paper

By Gary Gardner, Lester Russell Brown, Linda Starke, Brian Halweil

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Mind Over Matter

By Gary Gardner, Gary T. Gardner, Payal Sampat

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Invoking the spirit

By Gary T. Gardner

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Beyond Malthus

By Gary Gardner, Lester R. Brown, Brian Halweil

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Beyond Malthus

By Gary Gardner, Lester R. Brown, Brian Halweil

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Beyond Malthus

By Gary Gardner, Lester R. Brown, Brian Halweil

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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.