May was raped by two men while her husband was forced to watch, but the young couple ended up enjoying it, so the husband facilitates the two men being with May again. But is it rape? The author does not condone rape or physical violence.
Twins have a church required mission to perform. Mom decides the whole family should go to Mexico and save the "heathens". The natives are restless and Mom's idea goes bad quickly. The natives think her daughters are ready to have children and enroll them in a special sex school. The girls learn it all, and then some. Mom finds out the hard way and demands justice, but ends up as a "student" also.
Two wealthy and beautiful young socialites seduce and corrupt an innocent 18-year old high school girl on a yacht. Features male-female erotic coupling, fellatio, cunnilingus, significant anal play, group sex with minor lesbianism, showering, minor voyeurism, drugs and alcohol, teenagers and the taking of innocence.
A gym equipment salesman trades his product to high school coaches for the virginity of some of their players and sometimes them too. A little surprise at the end.