Christopher Ryan, PhD, is a research psychologist. He lives in Barcelona, Spain. Cacilda Jetha, MD, is a practicing psychiatrist. She lives in Barcelona, Spain.
"Funny, witty, and light ... Sex at Dawn is a scandal in the best
sense, one that will have you reading the best parts aloud and
reassessing your ideas about humanity's basic urges well after the
book is done."--Newsweek
"Sex At Dawn has helped me understand myself and the world so much more clearly."--Ilana Glazer, co-creator of Broad City