Step 1 : Introduction to the question "9. Harper Lee was a "one-book author" for 55 years. What is the name of her Pulitzer Prize-winning book, published in 1960?"
...1. To Kill a Mockingbird 2. The Grapes of Wrath 3. Life on the Mississippi 4. Catcher in the Rye Harper Lee won a Pulitzer Prize for "To Kill a Mockingbird" in 1961. Oprah Winfrey once asked Harper Lee why she only ever wrote one book. Harper Lee replied that she had said everything she had to say. In 2015, however, it appears she changed her mind, with the publication of her second book, "Go Set a Watchman".
