With baseball playoffs taking the field this week, Nabisco Biscuit Co. looks ahead to their climax in the World Series. Oreo is the official cookie of Major League Baseball, and FCB Worldwide, New York, baked up an ad that will appear exclusively in the World Series commemorative program. The filling in the ad's cookie resembles the MLB logo. Copywriter: Shameka Brown. Art director: Ilana Rosengarten.