Bloom, Harold. Shakespeare: The Invention of the Human. New York: Riverhead Books, 1998.
Shakespeare, William. Troilus and Cressida. Daniel Seltzer, ed. New York: Penguin Books, 1988.
Wells, Stanley, and Taylor, Gary. William Shakespeare: The Complete Works. Oxford: Clarendon Press, 1994.
I just finished reading Troilus and Cressida in my effort to read all Shakespeare by his 450th birthday. It wasn't a favorite play, and I probably could have had a very happy life without ever reading it. But in case you're interested, here's my take: