Peter Kreeft is a prolific Catholic philosopher and apologist. He has written numerous books on apologetics and introductions to philosophy that I greatly enjoyed. What makes Kreeft’s  introductions different is their dialogical format. Plato wrote his philosophy in the forms of dialogues, and Kreeft has followed that tradition. In Kreeft’s case, the dialogues occur between Socrates and a great philosopher (e.g., Descartes, Kant, Hume,