Book excerpt: Sumptous starters for fancy dinners, light but hearty one-dish meals, delightful ways to serve fruit for dessert, and refreshing snacks on a warm day, cold soups are supremely versatile. In the only book devoted to cold soups, Linda Ziedrich offers a host of cold-soup classics, from gazpachos and consommes to borchts and vichyssoise, along with a wealth of innovative new creations.