The Atlas of Middle-Earth

Earth in the Balance: Ecology and the Human Spirit

The Complete Guide to Middle-Earth: From the Hobbit to the Silmarillion

The Blind Watchmaker: Why the Evidence of Evolution Reveals a Universe Without Design

Places of the Soul: Architecture and Environmental Design As a Healing Art

Earth Book for Kids: Activities to Help Heal the Environment

Mother Earth

Heaven and Earth : Making the Psychic Connection

Water in the Garden : A Complete Guide to the Design and Installation of Ponds, Fountains, Streams, and Waterfalls

The Perfect Garden: The Best Plants for the Best Design