Puzzle master Will Shortz quizzes one of our listeners, and has a challenge for everyone at home.
Challenge from September 17: Name a famous person whose first and last names, together, total eleven letters. This person's first and last names each contain the consecutive letters "I-L-L" in that order. Who is it? It's a person everybody knows.
Answer: Bill O'Reilly
Winner: Sonia Kerns of Rockwell City, Iowa
Challenge from September 24: From Louis Sargent of Portland, Oregon: Think of a nine-letter word for something that is unplanned. Change the middle letter from I to U, and you'll get a new word for something that is always planned. What is it?