SOURCE: Warren, Roger and Stanley Wells. Introduction to Twelfth Night, or What You Will, by William Shakespeare, edited by Roger Warren and Stanley Wells, pp. 1-76. Oxford: Clarendon Press, 1994.
In the following excerpt, Warren and Wells survey Twelfth Night's setting, sources, themes, and major characters. The critics' discussion is often informed by insights gleaned from twentieth-century stagings of the play.