Kreeft, Peter What Would Socrates Say?: An Introduction to Philosophy by the Socratic Method

Kreeft, Peter Why Does Everything Come in Threes?: A Short Book about Everything

Kreeft, Dr Peter Philosophy: What Every Catholic Should Know

Kreeft, Peter How to Destroy Western Civilization and Other Ideas from the Cultural Abyss

Kreeft, Peter The Man Who Left His Mark: How Mark's Gospel Answers Modern Questions

Kreeft, Peter Krytyka relatywizmu moralnego: Wywiad z pewnym absolutystą