Licking Fire by Kate Hill
(Erotic Paranormal)
From Ellora's Cave
http://www.jasminejade.com/ps-7662-50-licking-fire.aspx

Trapped in a nightmare world where only powerful emotions can set victims free, Ethan and Latara use lust to liberate themselves. During their heated encounters, they uncover each other's darkest secrets, including the root of Latara's supernatural powers and the true identity of Ethan's untamable twin, Sorrel Baines. Sex for the hotter-than-hell fire spirit and the ass-kicking pyrokinetic grows in intensity until a final blazing climax literally blows them back to reality. Will it be in time to save their lives?

Read an excerpt at
http://kate-hill.com/lickingfireexcerpt.html