It seems that with organic food becoming more available, its becoming more of an opportunity to ask (and want to know the answer) about how our food is processed, where it comes from.
If this is a topic that intrigues you, you might enjoy:
Food, Inc (DVD/338.19 Foo)
The Town that Food Saved: How One Community Found Vitality in Local Food by Ben Hewitt (338.1 Hew)
Jamie's Food Revolution: Rediscover How to Cook Simple, Delicious, Affordable Meals by Jamie Oliver (641.5 Oli)
Food Matters by Mark Bittman (613.2 Bit)
Food Rules by Michael Pollan (613.2 Pol)
Animal, Vegetable, Miracle: A Year of Food Life by Barbara Kingsolver (641.097 Kin)