Electroculture: How to Use Copper Wire, Magnets, and Electricity to Increase Plant Yields and Get Better Crops

Restoring Heritage Grains: The Culture, Biodiversity, Resilience, and Cuisine of Ancient Wheats

Yams: Botany, Production and Uses

The Physiology of Crop Yield

Stolen Harvest: The Hijacking of the Global Food Supply (Culture of the Land)

Soil Science Simplified

Marketing Grain and Livestock

Almond Production Manual