Many dyed-in-the-wool epicures simply can’t imagine life as a vegetarian. Where are the pleasures of eating without beef, without lamb, without chicken? But never before have vegetarians had so many lip-smacking options from a variety of cuisines available to them. If you know a foodie vegetarian, especially one who’s just starting out on the meatless path, one of these cookbooks will help forestall a furtive return to the butcher shop.