My original tumblr post was here.  Image contains the text:

His pupils dilated as he drank her in.

“It is called shibari,” she said to Logan.

It took him two tries to speak, and he had to clear his throat first. “I know what it is.”

Valeria Must Kneel.

A Dark BDSM Master/slave Romance
by Casey Cane
Now on Amazon.

Original text:

“Her best attributes on display for his eyes.” Tweeted by Casey Cane ‏@CaseyCaneBooks in promotion of the book Valeria Must Kneel.