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Christopher Ryan, PhD, and Cacilda Jethá, MD - Books | SnapBooks

Christopher Ryan, PhD, and Cacilda Jethá, MD

2 books

Sex at Dawn: The Prehistoric Origins of Modern Sexuality

Sex at Dawn: The Prehistoric Origins of Modern Sexuality

Christopher Ryan, PhD, and Cacilda Jethá, MD

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

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

Christopher Ryan, PhD, and Cacilda Jethá, MD