Christopher Ryan has written at least 6 books. Their most popular book is Sex at Dawn: The Prehistoric Origins of Modern Sexuality with 82 saves with an average rating of 3.88⭐.
They are best known for writing in the genres History and social science.
reflective, challenging, and hopeful are their most common moods.
 Sex at Dawn: The Prehistoric Origins of Modern Sexuality
| 3.88 | 36 reads |
 Civilized to Death Civilized to Death
| 5 | 1 read |
 Civilized to Death: The Price of Progress
| 5 | 4 reads |
 In principio era il sesso In principio era il sesso
| 4 | 1 read |
 Civilized to Death: The Price of Progress
| 0 | 0 reads |
 Sex at Dawn Sex at Dawn: The Prehistoric Origins of Modern Sexuality
| 3 | 1 read |