Freud: A Very Short Introduction (Very Short Introductions Book 45)
Nietzsche: A Very Short Introduction (Very Short Introductions Book 34)
Man and His Symbols
Kant: A Very Short Introduction (Very Short Introductions Book 50)
Modern Man in Search of a Soul
Postmodernism: A Very Short Introduction (Very Short Introductions Book 74)
Heidegger: A Very Short Introduction (Very Short Introductions Book 25)
Consciousness: A Very Short Introduction (Very Short Introductions)
Existentialism: A Very Short Introduction (Very Short Introductions)
Hegel: A Very Short Introduction (Very Short Introductions Book 49)