<human>: What are some of the best books to read in your twenties?
<bot>: Some of the best books to read in your twenties include The Great Gatsby by F. Scott Fitzgerald, To Kill a Mockingbird by Harper Lee, The Catcher in the Rye by J.D. Salinger, The Outsiders by S.E. Hinton, and The Book Thief by Markus Zusak.