Romantic folly and false identites abound as an unusual love triangle takes the stage in this play about Orsino, the infatuated Duke of Illyria; Olivia, the countess he pursues; and Viola, the woman disguised as a man who comes between them.

This revised Signet Classics edition includes unique features such as:

- An overview of Shakespeare's life, world, and theater
- A special introduction to the play by the editor, Herschel Baker
- Selections from Barnabe Rich, Of Apolonius and Silla, the source from which Shakespeare derived Twelfth Night
- Dramatic criticism from Samuel Johnson, William Hazlitt, Charles Lamb, and others
- A comprehensive stage and screen history of notable actors, directors, and productions
- Text, notes, and commentaries printed in the clearest, most readable text
- And more...