From article:

You probably think you know a thing or two about sex…and I’m sure you do. But, you probably don’t know more than the handful of writers I’ve chosen to profile below, because these people are hardcore. By that I mean, they really know their stuff, and their stuff is quite sexy.  Most of them write about other topics as well and do a fine job of it, but for the moment I want to get you acquainted with their sensual sides.