How many books are there in a trilogy?

More Questions:

What nickname was given to mafia boss Charlie Luciano?

In pool, what color is the 5-ball?

Which country were the 1948 Summer Olympic Games held in?

In a symphony orchestra, what instrument is played by the concertmaster?

What is the Roman name of the Greek god Ares?

In Greek mythology, Hera was the goddess of what?

Chicago is located on the shore of what lake?

What is the capital of Kenya?

What fruit was once called a Persian apple?

How many stars make up the Big Dipper?

What is believed to be created when a star collapses?

Anthracite and bituminous are two types of what mineral?

What actor played the role of Captain John McIntyre on the TV show "M*A*S*H"?

Who was the first winner of "American Idol"?

Which two countries border Uruguay?