COMBINE flour, baking powder, baking soda, cinnamon, ginger and salt in medium bowl. Beat butter and sugar in large mixer bowl on medium speed for 2 minutes. Add eggs, one at a time, beating well after each addition. Add pumpkin and vanilla extract; beat until smooth. Stir in flour mixture until combined. Drop by heaping measuring teaspoons onto prepared baking sheets. (A total of 72 cookies are needed for the recipe.)