Peanut Butter Pies

1 box confectionary sugar (powered sugar)
12oz. Philadelphia cream cheese - softened
16oz. peanut butter (JIF or Peter Pan - no cheap brand)
1 lg. and 1 sm. tub Cool Whip
2 lg. graham cracker pie shells

Mix ingredients one at a time, it is hard to mix. Then pour into pie
shells. Chill in refrigerator for at least 1 hour. Serve when cold.