Sex and books

Yeah, it’s not what you’re thinking. 

I’m talking gender here. 
So there’s this concept called “Coverflip,” in which popular books get their book covers changed to appeal to the opposite sex. 
And, like most book fiends, I’m wild about judging books by their covers, so this idea appealed to me in a big way. 
It’s the sort of thing that’ll make you laugh, and it’ll make you cringe. 
Check it out if you have a few secs.  (sex?)