| Year | Hint | Answer | % Correct |
|---|---|---|---|
| 2012 | Pamphlet on whether we truly make our own choices in life. | Free Will | 96%
|
| 2006 | A response to criticism of the above book, addressed to religious Americans. | Letter to a Christian Nation | 96%
|
| 2011 | Long-form essay urging people to always tell the truth. | Lying | 96%
|
| 2010 | Thesis on philosophy, the relationship between morality and science. | The Moral Landscape: How Science Can Determine Human Values | 96%
|
| 2014 | On the psychedelics, meditation and the idea of the self. | Waking Up: A Guide to Spirituality Without Religion | 96%
|
| 2004 | A critique of religion in the wake of 9/11. | The End of Faith: Religion, Terror and the Future of Reason | 92%
|
| 2020 | Transcripts of Sam's podcast. | Making Sense: Conversations on Consciousness, Morality and the Future of Humanity | 85%
|
| 2015 | A written conversation between Harris and Majid Nawaz. | Islam and the Future of Tolerance: A Dialogue | 81%
|
| 2019 | Transcript of a famous conversation between Harris, Christopher Hitchens, Richard Dawkins and Daniel Dennett. | The Four Horsemen: The Discussion that Sparked an Atheist Revolution | 69%
|