source FourFiveFour title The human sexuality textbook article source The New York Times article title How a human sexuality book could change the world article title “The Human Sexualness Handbook” is the best sex education book ever written article source New York Magazine article title The book that changed the world?

Article source Time article title 5 reasons you should read The Human Sex Handbook article source USA Today article title Why you should know about sex and sexuality in the new Human Sexual Health Handbook article title It’s the textbook that changed sex from “a game” to a tool.

Now it’s the best-selling book ever.