Humanity faces extinction from a mysterious and massive fertility problem. The key to babies is a lot of men doing a woman during her brief fertile period. Women have to get it from 40 different guys in the middle of the month. And the guys have to save their seed for just that occasion.
Another young girl gets sandwiched by the Donovan brothers on the subway. She was robbed of her feminine dignity and forced to be a tennis ball for their dreadful humiliations. When a stable married man and a bored housewife join in the fun and games, The girl learns some new tricks hanging on the strap and pretending it wasn't happening to her right out in the open like a dirty video on the internet.
This standalone story is set in Lazlo Zalezac's John Carter universe and will only make sense if you are familiar with that world...Meet Harmon, a scammer who doesn't really care much for morality, laws, or religion. His anonymous life in the big city is disturbed and he has to hit the road. Watch what happens then...
The story is set largely in the late 1960s. Two young lovers wrestle with the age-old problems of romance and postage. That reminds me, I should reread The Crying of Lot 49.