We will discuss the following Dialogues of Plato: "Euthyphro", "Apology", "Crito", "Meno", and "Phaedo". Any edition you have is acceptable (sorry Classicists). All of these Dialogues are available in Five Dialogues: Euthyphro, Apology, Crito, Meno, Phaedo, ed. G. M. A. Grube, 2nd ed., Hackett Publishing Company, 2002. The cost of a new edition on amazon.com is $6.95. 156 pages. They are also in the public domain and thus freely available at several Web sites; click here (http://www.epistemelinks.com/main/TextName.aspx?PhilCode=plat) for the links.
The following resources are useful for background information. commentary, and bibliographies:
"Plato" (http://plato.stanford.edu/entries/plato/) and "Plato's Ethics" (http://plato.stanford.edu/entries/plato-ethics/) in The Stanford Encyclopedia of Philosophy
"Plato" (http://www.iep.utm.edu/plato/) in The Internet Encyclopedia of Philosophy
"Plato" (http://en.wikipedia.org/wiki/Plato) in Wikipedia (if you scroll down to the middle of the page you will find links to Wikipedia's excellent overviews of individual Dialogues).
"Plato and his dialogues" (http://plato-dialogues.org/plato.htm) by Bernard Suzanne
"Plato" (http://users.ox.ac.uk/~worc0337/phil-P-Q.html) in Philosophers: Parmenides to Quine