"Apology, Crito, and Phaedo of Socrates" is a book of philosophy and trial of Socrates, one of the greatest thinkers of all times. The book is written by Plato, a staunchly devoted pupil of Socrates and a prominent ancient philosopher. The book contains three of Plato's works, namely, "The Apologia," "The Crito," and "The Phaedo," all of which have reference to the trial, imprisonment, and death of Socrates.