There's a long tradition of such books that captivate, titilate and then vanish without a trace. Take Valley of the Dolls as an example, or anything by the likes of Jackie Collins. I doubt whether these books pose a serious threat to novels.
Look, you've got it all wrong! You don't NEED to follow ME, You don't NEED to follow ANYBODY! You've got to think for your selves! You're ALL individuals!
Yes! We're all individuals!