Boxill, Roger. Modern Dramatists: Tennessee Williams, St. Martin's Press, 1987.

This book covers Williams's career as a playwright, focusing on his major plays, including The Night of the Iguana.

Hardison Londre, Felicia. World Dramatists: Tennessee Williams, Frederick Ungar Publishing, 1979.

This book critically discusses each of Williams's plays in-depth and includes a chronology of his life.

Hayman, Ronald. Tennessee Williams: Everyone Else is an Audience, Yale University Press, 1993.

This is a critical biography of the playwright, covering his entire life and career.

Williams, Dakin and Shepherd Mead. Tennessee Williams: An Intimate Biography, Arbor House, 1983.

This is a biography of the playwright, written by his younger brother.