"Gregory Vlastos's book begins from the conviction that Socrates' strangeness is 'the key to his philosophy.' It is a marvelous book, in which no major aspect of Socrates' career is eclipsed. The rigor of his arguments, the depth of his moral commitment and understanding, his complex relationship to Athenian ethical traditions, his rational religion: all this comes to life in writing whose vigor and lucidity put the challenge of Socrates squarely...