1. Letter to a Christian Nation, by Sam Harris, Knopf; 1ST edition (September 19, 2006)
- ISBN-10: 0307265773
- ISBN-13: 978-0307265777
- http://www.amazon.com/Letter-
Christian-Nation-Sam-Harris/ dp/0307265773
- Publisher: Longman; 1 edition (October 7, 2006)
- ISBN-10: 0321243757
- ISBN-13: 978-0321243751
http://www.amazon.com/
3. Writing Philosophy: A Student's Guide to Writing Philosophy Essays, Lewis Vaughn, Oxford
- Publisher: Oxford University Press, USA (November 10, 2005)
- ISBN-10: 0195179560
- ISBN-13: 978-0195179569