Paul R. Ehrlich Books

Human Natures

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Why do we behave the way we do? Biologist Paul Ehrlich suggests that although people share a common genetic code, these genes "do not shout commands at us...at the very most, they whisper suggestio...

On the Wings of Checkerspots: A Model System for Population Biology

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The Birdwatcher's Handbook: A Guide to the Natural History of the Birds of Britain and Europe

By Paul R. Ehrlich

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Healing the planet

By Paul R. Ehrlich

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Healing the Planet

By Paul R. Ehrlich, Anne H. Ehrlich

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Butterflies: Ecology and Evolution Taking Flight

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Butterflies: Ecology and Evolution Taking Flight

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Butterflies

By Ward B. Watt, Carol L. Boggs, Paul R. Ehrlich

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Hope on Earth

By Paul R. Ehrlich

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The cold and the dark

By Conference On The Long Term Worldwide Biological Consequences Of Nuclear War 1983 Washington D.C.

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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.