Few other authors in the history of Western philosophy approximate him in depth and range: perhaps only Aristotle (who studied with him), Aquinas, and Kant would be generally agreed to be of the same rank.
This carefully selected collection contains:
Early:
The Apology of Socrates
Charmides
Crito
Euthyphro
Ion
Laches
Lysis
Menexenus
Middle
Republic
The Allegory of the Cave
Symposium
Meno
Phaedo
Late
Critias