York Notes on Twelfth Night by William Shakespeare

Longman Literature Guides: Unique features include an extensive overview of Shakespeare's life, world, and theatre by the general editor of Signet Classic Shakespeare series, plus a special introduction to the play by the editor Sylvan Barnet, Tufts University. It also contains dramatic criticism from the past and present, and a special introduction to the play by the editor, Herschel Baker, Harvard University.