| #2 |  Sapiens: A Brief History of Humankind
| 4.23 | 1,276 reads | |
| #3 |  Debt: The First 5,000 Years
| 4.13 | 130 reads | |
| #4 |  The Better Angels of Our Nature: Why Violence Has Declined
| 3.91 | 57 reads | |
| #5 |  Guns, Germs and Steel: A Short History of Everybody for the Last 13,000 Years
| 3.88 | 410 reads | |
| #6 |  The Immortality Key
| 4.44 | 15 reads |