Patricia Rodriguez 
Tarsa: Fire Princess [EPUB ebook] 

Tarsa is terrified of her heat. She could burn a man alive without any effort. But when she is forced to marry a man she’s never met she runs away. Only to be kidnapped and held prisoner. She’ll be rescued by a man she can actually touch. She could only hope that he feels the heat for her like she does for him.
Aban’s parents have arranged for him to meet a princess in hopes he would marry. She has a nasty rumor connected to her name. After saving her he hides his identity in hopes to find out more about her. When he finds that the rumors are true will she still be his choice?
Together they make beautiful fire.