The ceeb has put out a list of books hotter than 50 Shades of Grey. Which isn't hard to do.
10 reads hotter than Fifty Shades of Grey
I've read the classics on that list, and as such, haven't really felt the need to go on to Fifty Shades. What's going to be in Fifty Shades that wasn't in the Story of O, sixty years before, and better?
Surprised to see Beautiful Losers on that list, though. While there is a fair amount of sex in it, and explicitly so, it never really struck me as a hot read. It wasn't really about that. It was no more a 'hot read' than, say, Naked Lunch.
Speaking of hot reads, I recently picked up one of Tor Kung's books. Ye gods. Blistering. As with all the best of these sorts of books, it's very hot on the fantasy level, but would actually be fairly repulsive as a reality. YMMV. However, there's no denying that the guy (real name Jack Gilbert, poet of substance and renown) knows how to write. And that makes a huge, huge difference.
But like Story of O, I'm not sure how well it lends itself to re-reads. It all escalates so quickly, anything at the start would seem like interminable foreplay, even though it was great at the time. Alina Reyes, with her Choose-Your-Own-Adventure erotica, was sure onto something.
But Fifty Shades? Can't be bothered. Still too much Victorian erotica to go through (and maaaaaaaaan, did they ever write a lot of it). That said, if the Victorians could knock it off with all the incest, that'd be fucking great, thanks. There's a hotness to breaking taboos, absolutely, but then there are big ol' turnoffs, too.
Well-written erotica. Huge, untapped market. I think I know my second career.