Purists nearly gag at the mention of currently popular cocktails such as chocolate martinis. Nevertheless, bartenders today offer up a host of new drinks to attract a younger, more adventuresome clientele. Wisniewski's formulas for Party Drinks follow classic bar proportions, but he intersperses the new Cosmopolitan and Nutty Martini and their ilk among classics along the lines of the Perfect Manhattan, Old Fashioned, and Mint Julep. This is a useful tool to update an aging or neglected beverage collection.