Overview Part I. The Foundationalism-Coherentism Controversy: 1. Psychological foundationalism 2. Axiological foundationalism 3. Foundationalism, epistemic dependence, and defeasibility 4. The foundationalism-coherentism controversy: hardened stereotypes and overlapping theories Part II. Knowledge and Justification: 5. the limits of self-knowledge 6. defeated knowledge, reliability, and justification 7. The causal structure of indirect justification 8. Belief, reason, and inference 9. Structural justification Part III. Epistemic Principles and Skepticism: 10. Justification, truth and reliability 11. Causalist internalism 12. The old skepticism, the new foundationalism, and naturalized epistemology Part IV. Rationality: 13. An epistemic conception of rationality 14. Rationalization and rationality 15. The architecture of reason.