Roach shows how and why sexual arousal and orgasm can be so hard to achieve and what science is doing to make the bedroom a more satisfying place.

What causes a child to grow up gay or straight? In this book, neuroscientist Simon LeVay summarizes a wealth of scientific evidence that points to one inescapable conclusion: Sexual orientation results primarily from an interaction between genes, sex hormones, and the cells of the developing body and brain. In this revised edition LeVay broadens his horizons. He adds a new chapter on bisexuality, reviews some uncommon forms of sexuality such as asexuality...

"A comic book for kids that includes children and families of all makeups, orientations, and gender identies, Sex Is a Funny Word is an essential resource about bodies, gender, and sexuality for children ages 8 to 10 as well as their parents and caregivers. Much more than the "facts of life" or "the birds and the bees, " Sex Is a Funny Word opens up conversations between young people and their caregivers in a way that allows adults to convey their...