Alfred Russel Wallace: Letters and Reminiscences, Vol. 1: Volume 1

Braiding Sweetgrass: Indigenous Wisdom, Scientific Knowledge and the Teachings of Plants

Nature and the Human Soul: Cultivating Wholeness and Community in a Fragmented World

Palm Trees of the Amazon and their Uses

The World According to Bob: The further adventures of one man and his street-wise cat

A Collection of Essays on Spiritualism

The Light Eaters: How the Unseen World of Plant Intelligence Offers a New Understanding of Life on Earth

Alfred Russel Wallace: Letters and Reminiscences, Vol. 2: Volume 2

The Secret Life of Plants: A Fascinating Account of the Physical, Emotional, and Spiritual Relations Between Plants and Man

The Doctrine of Natural Selection

The Old Ways: A Journey on Foot

The Origin of Human Races and the Antiquity of Man Deduced From the Theory of "Natural Selection"

Nature and Other Essays

On the Varieties of Man in the Malay Archipelago

Cat Daddy: What the World's Most Incorrigible Cat Taught Me About Life, Love, and Coming Clean

New Guinea and its Inhabitants - Part I. and II.

Kook: What Surfing Taught Me About Love, Life, and Catching the Perfect Wave

Contributions to the Theory of Natural Selection

South African Indigenous Garden Plants: The Gardener's Guide