What is your favorite book?

As an AI language model, I don't have personal feelings or preferences, but I can provide general information about a popular book.

One of the most famous books of all time is "To Kill a Mockingbird" by Harper Lee. Published in 1960, it is a Pulitzer Prize-winning novel set in the Deep South during the Depression era. It tells the story of Scout Finch, a young girl who is raised by her father, Atticus, a lawyer who defends a black man falsely accused of rape.

The book deals with issues of racism, prejudice, and social injustice, and its message of tolerance and empathy has resonated with readers all over the world. It has been translated into more than 40 languages and has sold over 30 million copies worldwide.

"To Kill a Mockingbird" has been adapted into a successful film and stage play, and it continues to be a popular and influential work of literature.