Christopher Ryan

Christopher Ryan

Christopher Ryan has written at least 7 books. Their most popular book is Sex at Dawn: How We Mate, Why We Stray, and What It Means for Modern Relationships with 162 saves with an average rating of 3.81⭐.

Sex at Dawn: How We Mate, Why We Stray, and What It Means for Modern Relationships

2010 • 162 Readers • 420 pages • 3.8

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Civilized to Death
ByChristopher Ryan

2018 • 35 Readers • 400 pages • 3.7

Civilized to Death: The Price of Progress

2018 • 10 Readers • 304 pages • 4.8

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Paritellen : seksuaalikäyttäytymisen kehityshistoria
ByChristopher Ryan,Cacilda Jethá,+1 more

2010 • 1 Reader • 380 pages • 4

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In principio era il sesso
ByChristopher Ryan,Cacilda Jethá,+2 more

2010 • 1 Reader • 4

Civilized to Death: The Price of Progress

2018 • 1 Reader

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1 Reader • 4