Environmental Protection

The Web of Life

Beaver: An Alphabet of Typical Specimens

Herbs and Apples

The Handbook to the Rivers and Broads of Norfolk & Suffolk

Industrial Scrubber Systems

Urban Nature Spots

Descriptions of New Hylid Frogs From Mexico and Central America

Earthworms and Their Allies

Stray Leaves from an Arctic Journal

The Water-Finders

Electric Car Evolution

Freckles from the Marvelous Forest

Hidden Rivers

The Hurricane Guide

Wild Spain (España agreste)

Michigan Trees: A Handbook of the Native and Most Important Introduced Species

Food Globalization

Birds of Britain

Grand Teton: A Guide to Grand Teton National Park, Wyoming

A Thousand-Mile Walk to the Gulf (With Original Drawings & Photographs)