How to Grow More Vegetables: (and Fruits, Nuts, Berries, Grains, and Other Crops) Than You Ever Thought Possible on Less Land Than You Can Imagine,

Truly a landmark book on the “Grow Biointensive Food-Raising Method” for sustainably growing high yields of crops on a minimum of land without machinery and with minimal use of water, energy, and fertilizers. People in over 110 countries, in a great variety of climates and soils, are using Grow Biointensive methods to grow food for their families and communities. Contains excellent information on soil health, fertility, and sustainability. You might want to supplement it with one or two of the other gardening references.