A rope suspension alone is challenging. Adding wax play into it ups the intensity somewhat. Having the domme sit on the back of the suspended submissive? Definitely into expert territory.
The image is from this gallery.
* Of course if your home happens to contain an expert on rope suspension, along with relevant equipment and hard points, then maybe you can try this at home. Just be doubly sure all those elements are present first!

This is from 
This was shot by the 

I’m afraid I have no idea who the original artist for this was. If you can help me attribute it then please leave a comment.
Despite tracking down a lot of the background on the book, I sadly couldn’t find a name for the cover artist.