| #3 |  Blueprint for Armageddon Blueprint for Armageddon
| 5 | 2 reads | |
| #4 |  In Europe: Travels Through the Twentieth Century
| 5 | 2 reads | |
| #5 |  The Border: A Journey Around Russia Through North Korea, China, Mongolia, Kazakhstan, Azerbaijan, Georgia, Ukraine, Belarus, Lithuania, Poland, Latvia, Estonia, Finland, Norway, and the Northeast Passage
| 4.14 | 7 reads | |
| #6 |  Rubicon: The Last Years of the Roman Republic
| 4.14 | 47 reads | |
| #7 |  Henry V: The Astonishing Triumph of England's Greatest Warrior King
| 3.5 | 1 read | |
| #1 |  Auschwitz
| 4.4 | 11 reads |