- The Medicinal Power of Cannabis: Using a Natural Herb to Heal Arthritis, Nausea, Pain, and Other Ailments
- Principles of Chinese Herbal Medicine: What it is, how it works, and what it can do for you Revised Edition
- Welded Joint Design
- The Theory of Wages
- Wanderings by the Lochs and Streams of Assynt: And the North Highlands of Scotland