Millstone, Erik / Lang, Tim (eds.) ²2008. The Atlas of Food: Who Eats What, Where, and Why.

Puskar-Pasewicz, Margaret A. (ed.) 2010. Cultural Encyclopedia of Vegetarianism.

Linda Long (ed.) 2008/2011. Great Chefs Cook Vegan. 
Unlike any other cookbook, Great Chefs Cook Vegan includes recipes from 25 of today's greatest chefs, including Thomas Keller, Jean-George Vongerichten, Eric Ripert, Charlie Trotter, and many other James Beard award-winning chefs.