Searching the Library Catalog ~~ cataLION ~~ will lead you to books like:
- Postmodern Drama: Contemporary Playwrites in America and Britain
- Edinburgh Companion to Contemporary Scottish Literature
- Longman Anthology of Modern and Contemporary Drama : A Global Perspective
- Postmodern Shakespeare
You could try these as a search using the words:
- "theater" and "criticism"
- "Postmodern drama"
- "Postmodern theatre"
