What is the theme in Four Texts on Socrates: Plato's Euthyphro, Apology, and Crito and Aristophanes' Clouds by Thomas G. West?

Major themes addressed in West's, Four Texts on Socrates: Plato's Euthyphro, Apology, and Crito and Aristophanes' Clouds, include the noble philosophical life, the nature of piety and justice, and Socrates as a threat to Athenian society.