As anyone who has hosted a dinner party knows, cocktail hour is the most fun part of the evening for guests--but the most stressful for whoever is in charge of keeping the drinks flowing. The solution, though, is simple: batch it! In this fun collection, Maggie Hoffman offers 65 delicious and creative cocktails that you don't have to stir or shake to order; rather, they are designed to stay fresh when made ahead and served out of a pitcher.