n Our recent Bit about Phyllis Diller’s onetime association with jazz great Dizzy Gillespie prompted Mark Morelli of San Ramon, Calif., to let us know about Ms. Diller’s lesser-known, quite serious musical background. She studied piano at a Chicago music conservatory for three years, and after she became famous for her comedy, appeared as a piano soloist with over 100 symphony orchestras in the U.S. and Canada.

The total number of pages in the U.S. hardcover editions of the seven Harry Potter novels of J.K. Rowling is approximately:

A) 2,100

B) 3,100

C) 4,100

D) 5,100

Monday’s answer: Marie Antoinette was born an archduchess of Austria, in Vienna.