In a large bowl, cream shortening and sugar.
Stir in molasses and egg.
In a separate bowl, combine flour, baking soda, cinnamon, cloves, ginger, and salt.
Add flour mixture gradually to molasses mixture.
Stir until dough is smooth.
Mould into 1-inch balls, roll balls in sugar, and bake in a 375°F oven for 10 to 15 minutes, or until ginger balls are light brown.