The Omnivore's Dilemma: A Natural History of Four Meals
by Michael Pollan

Holy Cows And Hog Heaven: The Food Buyer's Guide To Farm Friendly Food
by Joel Salatin

The Maker's Diet
by Jordan S.Rubin, N.M.D., Ph.D

Patient Heal Thyself
by Jordan Rubin

The Fungus Link
by Doug Kaufmann