I'm not sure I understand the cover. The children, who know nothing about sex, are not able to roller skate, but can only clomp away and stare at their crotches. The adults, who know a lot about sex, can gaze lovingly into each other's eyes while roller skating in tandem. There is nothing in the book about a correlation between skating prowess and knowledge of the nasty, but I guess it must be so. It may explain why many of the women involved in the revival of roller derby make me feel like they know a lot about sex. Also, I'm not quite sure children will develop normally if their dad wears skin-tight leopard skin shirts with chippendale bow ties in public.
The author, a professor from Oregon State University (Beavers), says that your young children should be asking a lot of questions about sex, and if they are not, you should take them to the zoo:
It will also help your children develop normally if you let them go bowling often with their friends (this is a bowling entry for you, Tracy).
During their teen years, it is appropriate for you to pull items out from your bedroom closet and demonstrate their use to your kids and their dates, so long as you explain the limits:
And even after your teens are sexually mature, it's still OK to question their dating relationship with Humbert Humbert: