Introduction: A double enigma
Part I. Shaking dogma: Reason on trial
Part II. Understanding inference: From unconscious inferences to intuitions
Part III. Rethinking reason: How we use reasons
Could reason be a module?
Reasoning: intuition and reflection
Part IV. What reason can and cannot do
Quality control: how we evaluate arguments
The bright side of reasoning
Part V. Reason in the wild: Is human reason universal?
Reasoning about moral and political topics
Conclusion: In praise of reason after all.