Operated by the non-profit group Ecology Action, they are the only source for all Biointensive and Grow Biointensive™ books, pamphlets, and videos, which teach gardeners the sustainable techniques of growing organic soil while gardening. Training materials in English, Spanish, French, Russian, Swahili, and other languages. They also carry basic organic gardening supplies, non-toxic insect controls, and fine tools. Untreated open-pollinated seed of heirloom quality for vegetables, herbs, flowers, grains, green manures, compost and carbon crops. Also Biointensive organic seed. They specialize in rare and unusual varieties, medicinal herbs and super-nutrition varieties.