| 2017 | 4.5 |
| 2016 | 3.96 |
| 201 | 3.88 |
| 2010 | 4 |
The Immortal Life of Henrietta Lacks | 2011 | 4.19 |
| 2016 | 3.92 |
| 11 | 4.37 |
Are We Smart Enough to Know How Smart Animals Are? | 2016 | 3.95 |
| 1980 | 3.63 |
American Fascists : the Christian Right and the War on America | 2007 | 4 |
| 2015 | 4.28 |
| 1969 | 3.09 |
| 2003 | 3.5 |