Puzzle 9

The force of a runner's foot against the floor.

Another word for zero.

When they go up, there is inflation.

Fair __; acceptable, can't complain.

Group of kittens; e-reader.

Vitality or power.

Secret spies.

Carte __, a menu of the day, a bill of fare.

__ You Porgy, duet from Porgy and Bess.

River that flows through Baghdad.

__ mule, cocktail of vodka and ginger beer.