Some of the most creative new minds in the kitchen and the most exhilarating new voices in food writing come from the world of blogs. Michael Natkin, creator of the wildly popular Herbivoracious.com, indisputably fits both of those descriptions. In Herbivoracious: A Vegetarian Cookbook for People Who Love to Eat, Natkin offers up 150 exciting recipes (most of which have not appeared on his blog) notable both for their big, bold, bright flavors and...